diff --git a/src/coreclr/jit/register.h b/src/coreclr/jit/register.h
index 2c51271372595e..17271cad9d5239 100644
--- a/src/coreclr/jit/register.h
+++ b/src/coreclr/jit/register.h
@@ -133,6 +133,178 @@ REGDEF(K7,     7+KBASE,    KMASK(7),     "k7"   )
 
 REGDEF(STK,    8+KBASE,    0x0000,       "STK"  )
 
+// Ignore REG_* symbols defined in Android NDK
+#if defined(TARGET_X86)
+#undef REG_EAX
+#define REG_EAX JITREG_EAX
+#undef REG_ECX
+#define REG_ECX JITREG_ECX
+#undef REG_EDX
+#define REG_EDX JITREG_EDX
+#undef REG_EBX
+#define REG_EBX JITREG_EBX
+#undef REG_ESP
+#define REG_ESP JITREG_ESP
+#undef REG_EBP
+#define REG_EBP JITREG_EBP
+#undef REG_ESI
+#define REG_ESI JITREG_ESI
+#undef REG_EDI
+#define REG_EDI JITREG_EDI
+#undef REG_RAX
+#define REG_RAX JITREG_RAX
+#undef REG_RCX
+#define REG_RCX JITREG_RCX
+#undef REG_RDX
+#define REG_RDX JITREG_RDX
+#undef REG_RBX
+#define REG_RBX JITREG_RBX
+#undef REG_RSP
+#define REG_RSP JITREG_RSP
+#undef REG_RBP
+#define REG_RBP JITREG_RBP
+#undef REG_RSI
+#define REG_RSI JITREG_RSI
+#undef REG_RDI
+#define REG_RDI JITREG_RDI
+#else // defined(TARGET_X86)
+#undef REG_RAX
+#define REG_RAX JITREG_RAX
+#undef REG_RCX
+#define REG_RCX JITREG_RCX
+#undef REG_RDX
+#define REG_RDX JITREG_RDX
+#undef REG_RBX
+#define REG_RBX JITREG_RBX
+#undef REG_RSP
+#define REG_RSP JITREG_RSP
+#undef REG_RBP
+#define REG_RBP JITREG_RBP
+#undef REG_RSI
+#define REG_RSI JITREG_RSI
+#undef REG_RDI
+#define REG_RDI JITREG_RDI
+#undef REG_R8
+#define REG_R8 JITREG_R8
+#undef REG_R9
+#define REG_R9 JITREG_R9
+#undef REG_R10
+#define REG_R10 JITREG_R10
+#undef REG_R11
+#define REG_R11 JITREG_R11
+#undef REG_R12
+#define REG_R12 JITREG_R12
+#undef REG_R13
+#define REG_R13 JITREG_R13
+#undef REG_R14
+#define REG_R14 JITREG_R14
+#undef REG_R15
+#define REG_R15 JITREG_R15
+#undef REG_EAX
+#define REG_EAX JITREG_EAX
+#undef REG_ECX
+#define REG_ECX JITREG_ECX
+#undef REG_EDX
+#define REG_EDX JITREG_EDX
+#undef REG_EBX
+#define REG_EBX JITREG_EBX
+#undef REG_ESP
+#define REG_ESP JITREG_ESP
+#undef REG_EBP
+#define REG_EBP JITREG_EBP
+#undef REG_ESI
+#define REG_ESI JITREG_ESI
+#undef REG_EDI
+#define REG_EDI JITREG_EDI
+#endif // !defined(TARGET_X86)
+
+#undef REG_XMM0
+#define REG_XMM0 JITREG_XMM0
+#undef REG_XMM1
+#define REG_XMM1 JITREG_XMM1
+#undef REG_XMM2
+#define REG_XMM2 JITREG_XMM2
+#undef REG_XMM3
+#define REG_XMM3 JITREG_XMM3
+#undef REG_XMM4
+#define REG_XMM4 JITREG_XMM4
+#undef REG_XMM5
+#define REG_XMM5 JITREG_XMM5
+#undef REG_XMM6
+#define REG_XMM6 JITREG_XMM6
+#undef REG_XMM7
+#define REG_XMM7 JITREG_XMM7
+
+#ifdef TARGET_AMD64
+#undef REG_XMM8
+#define REG_XMM8 JITREG_XMM8
+#undef REG_XMM9
+#define REG_XMM9 JITREG_XMM9
+#undef REG_XMM10
+#define REG_XMM10 JITREG_XMM10
+#undef REG_XMM11
+#define REG_XMM11 JITREG_XMM11
+#undef REG_XMM12
+#define REG_XMM12 JITREG_XMM12
+#undef REG_XMM13
+#define REG_XMM13 JITREG_XMM13
+#undef REG_XMM14
+#define REG_XMM14 JITREG_XMM14
+#undef REG_XMM15
+#define REG_XMM15 JITREG_XMM15
+#undef REG_XMM16
+#define REG_XMM16 JITREG_XMM16
+#undef REG_XMM17
+#define REG_XMM17 JITREG_XMM17
+#undef REG_XMM18
+#define REG_XMM18 JITREG_XMM18
+#undef REG_XMM19
+#define REG_XMM19 JITREG_XMM19
+#undef REG_XMM20
+#define REG_XMM20 JITREG_XMM20
+#undef REG_XMM21
+#define REG_XMM21 JITREG_XMM21
+#undef REG_XMM22
+#define REG_XMM22 JITREG_XMM22
+#undef REG_XMM23
+#define REG_XMM23 JITREG_XMM23
+#undef REG_XMM24
+#define REG_XMM24 JITREG_XMM24
+#undef REG_XMM25
+#define REG_XMM25 JITREG_XMM25
+#undef REG_XMM26
+#define REG_XMM26 JITREG_XMM26
+#undef REG_XMM27
+#define REG_XMM27 JITREG_XMM27
+#undef REG_XMM28
+#define REG_XMM28 JITREG_XMM28
+#undef REG_XMM29
+#define REG_XMM29 JITREG_XMM29
+#undef REG_XMM30
+#define REG_XMM30 JITREG_XMM30
+#undef REG_XMM31
+#define REG_XMM31 JITREG_XMM31
+#endif // TARGET_AMD64
+
+#undef REG_K0
+#define REG_K0 JITREG_K0
+#undef REG_K1
+#define REG_K1 JITREG_K1
+#undef REG_K2
+#define REG_K2 JITREG_K2
+#undef REG_K3
+#define REG_K3 JITREG_K3
+#undef REG_K4
+#define REG_K4 JITREG_K4
+#undef REG_K5
+#define REG_K5 JITREG_K5
+#undef REG_K6
+#define REG_K6 JITREG_K6
+#undef REG_K7
+#define REG_K7 JITREG_K7
+#undef REG_STK
+#define REG_STK JITREG_STK
+
 #elif defined(TARGET_ARM)
  #include "registerarm.h"
 
diff --git a/src/coreclr/jit/registerarm.h b/src/coreclr/jit/registerarm.h
index dfebf8199047e5..e26319c0374afd 100644
--- a/src/coreclr/jit/registerarm.h
+++ b/src/coreclr/jit/registerarm.h
@@ -74,6 +74,114 @@ REGALIAS(R13, SP)
 REGALIAS(R14, LR)
 REGALIAS(R15, PC)
 
+// Ignore REG_* symbols defined in Android NDK
+#undef REG_R0
+#define REG_R0 JITREG_R0
+#undef REG_R1
+#define REG_R1 JITREG_R1
+#undef REG_R2
+#define REG_R2 JITREG_R2
+#undef REG_R3
+#define REG_R3 JITREG_R3
+#undef REG_R4
+#define REG_R4 JITREG_R4
+#undef REG_R5
+#define REG_R5 JITREG_R5
+#undef REG_R6
+#define REG_R6 JITREG_R6
+#undef REG_R7
+#define REG_R7 JITREG_R7
+#undef REG_R8
+#define REG_R8 JITREG_R8
+#undef REG_R9
+#define REG_R9 JITREG_R9
+#undef REG_R10
+#define REG_R10 JITREG_R10
+#undef REG_R11
+#define REG_R11 JITREG_R11
+#undef REG_R12
+#define REG_R12 JITREG_R12
+#undef REG_SP
+#define REG_SP JITREG_SP
+#undef REG_LR
+#define REG_LR JITREG_LR
+#undef REG_PC
+#define REG_PC JITREG_PC
+#undef REG_F0
+#define REG_F0 JITREG_F0
+#undef REG_F1
+#define REG_F1 JITREG_F1
+#undef REG_F2
+#define REG_F2 JITREG_F2
+#undef REG_F3
+#define REG_F3 JITREG_F3
+#undef REG_F4
+#define REG_F4 JITREG_F4
+#undef REG_F5
+#define REG_F5 JITREG_F5
+#undef REG_F6
+#define REG_F6 JITREG_F6
+#undef REG_F7
+#define REG_F7 JITREG_F7
+#undef REG_F8
+#define REG_F8 JITREG_F8
+#undef REG_F9
+#define REG_F9 JITREG_F9
+#undef REG_F10
+#define REG_F10 JITREG_F10
+#undef REG_F11
+#define REG_F11 JITREG_F11
+#undef REG_F12
+#define REG_F12 JITREG_F12
+#undef REG_F13
+#define REG_F13 JITREG_F13
+#undef REG_F14
+#define REG_F14 JITREG_F14
+#undef REG_F15
+#define REG_F15 JITREG_F15
+#undef REG_F16
+#define REG_F16 JITREG_F16
+#undef REG_F17
+#define REG_F17 JITREG_F17
+#undef REG_F18
+#define REG_F18 JITREG_F18
+#undef REG_F19
+#define REG_F19 JITREG_F19
+#undef REG_F20
+#define REG_F20 JITREG_F20
+#undef REG_F21
+#define REG_F21 JITREG_F21
+#undef REG_F22
+#define REG_F22 JITREG_F22
+#undef REG_F23
+#define REG_F23 JITREG_F23
+#undef REG_F24
+#define REG_F24 JITREG_F24
+#undef REG_F25
+#define REG_F25 JITREG_F25
+#undef REG_F26
+#define REG_F26 JITREG_F26
+#undef REG_F27
+#define REG_F27 JITREG_F27
+#undef REG_F28
+#define REG_F28 JITREG_F28
+#undef REG_F29
+#define REG_F29 JITREG_F29
+#undef REG_F30
+#define REG_F30 JITREG_F30
+#undef REG_F31
+#define REG_F31 JITREG_F31
+#undef REG_FP
+#define REG_FP JITREG_FP
+#undef REG_R13
+#define REG_R13 JITREG_R13
+#undef REG_R14
+#define REG_R14 JITREG_R14
+#undef REG_R15
+#define REG_R15 JITREG_R15
+#undef REG_STK
+#define REG_STK JITREG_STK
+
 // This must be last!
 REGDEF(STK,  32+FPBASE, 0x0000,      "STK")
 
diff --git a/src/coreclr/jit/registerarm64.h b/src/coreclr/jit/registerarm64.h
index 6b8091814251ee..4f69628c8a0b34 100644
--- a/src/coreclr/jit/registerarm64.h
+++ b/src/coreclr/jit/registerarm64.h
@@ -124,6 +124,184 @@ REGDEF(FFR,   1+NBASE, 0x0000,    "ffr",  "na")
 // This must be last!
 REGDEF(STK,   2+NBASE, 0x0000,    "STK", "STK")
 
+// Ignore REG_* symbols defined in Android NDK
+#undef REG_R0
+#define REG_R0 JITREG_R0
+#undef REG_R1
+#define REG_R1 JITREG_R1
+#undef REG_R2
+#define REG_R2 JITREG_R2
+#undef REG_R3
+#define REG_R3 JITREG_R3
+#undef REG_R4
+#define REG_R4 JITREG_R4
+#undef REG_R5
+#define REG_R5 JITREG_R5
+#undef REG_R6
+#define REG_R6 JITREG_R6
+#undef REG_R7
+#define REG_R7 JITREG_R7
+#undef REG_R8
+#define REG_R8 JITREG_R8
+#undef REG_R9
+#define REG_R9 JITREG_R9
+#undef REG_R10
+#define REG_R10 JITREG_R10
+#undef REG_R11
+#define REG_R11 JITREG_R11
+#undef REG_R12
+#define REG_R12 JITREG_R12
+#undef REG_R13
+#define REG_R13 JITREG_R13
+#undef REG_R14
+#define REG_R14 JITREG_R14
+#undef REG_R15
+#define REG_R15 JITREG_R15
+#undef REG_IP0
+#define REG_IP0 JITREG_IP0
+#undef REG_IP1
+#define REG_IP1 JITREG_IP1
+#undef REG_PR
+#define REG_PR JITREG_PR
+#undef REG_R19
+#define REG_R19 JITREG_R19
+#undef REG_R20
+#define REG_R20 JITREG_R20
+#undef REG_R21
+#define REG_R21 JITREG_R21
+#undef REG_R22
+#define REG_R22 JITREG_R22
+#undef REG_R23
+#define REG_R23 JITREG_R23
+#undef REG_R24
+#define REG_R24 JITREG_R24
+#undef REG_R25
+#define REG_R25 JITREG_R25
+#undef REG_R26
+#define REG_R26 JITREG_R26
+#undef REG_R27
+#define REG_R27 JITREG_R27
+#undef REG_R28
+#define REG_R28 JITREG_R28
+#undef REG_FP
+#define REG_FP JITREG_FP
+#undef REG_LR
+#define REG_LR JITREG_LR
+#undef REG_ZR
+#define REG_ZR JITREG_ZR
+#undef REG_R16
+#define REG_R16 JITREG_R16
+#undef REG_R17
+#define REG_R17 JITREG_R17
+#undef REG_R18
+#define REG_R18 JITREG_R18
+#undef REG_R29
+#define REG_R29 JITREG_R29
+#undef REG_R30
+#define REG_R30 JITREG_R30
+#undef REG_V0
+#define REG_V0 JITREG_V0
+#undef REG_V1
+#define REG_V1 JITREG_V1
+#undef REG_V2
+#define REG_V2 JITREG_V2
+#undef REG_V3
+#define REG_V3 JITREG_V3
+#undef REG_V4
+#define REG_V4 JITREG_V4
+#undef REG_V5
+#define REG_V5 JITREG_V5
+#undef REG_V6
+#define REG_V6 JITREG_V6
+#undef REG_V7
+#define REG_V7 JITREG_V7
+#undef REG_V8
+#define REG_V8 JITREG_V8
+#undef REG_V9
+#define REG_V9 JITREG_V9
+#undef REG_V10
+#define REG_V10 JITREG_V10
+#undef REG_V11
+#define REG_V11 JITREG_V11
+#undef REG_V12
+#define REG_V12 JITREG_V12
+#undef REG_V13
+#define REG_V13 JITREG_V13
+#undef REG_V14
+#define REG_V14 JITREG_V14
+#undef REG_V15
+#define REG_V15 JITREG_V15
+#undef REG_V16
+#define REG_V16 JITREG_V16
+#undef REG_V17
+#define REG_V17 JITREG_V17
+#undef REG_V18
+#define REG_V18 JITREG_V18
+#undef REG_V19
+#define REG_V19 JITREG_V19
+#undef REG_V20
+#define REG_V20 JITREG_V20
+#undef REG_V21
+#define REG_V21 JITREG_V21
+#undef REG_V22
+#define REG_V22 JITREG_V22
+#undef REG_V23
+#define REG_V23 JITREG_V23
+#undef REG_V24
+#define REG_V24 JITREG_V24
+#undef REG_V25
+#define REG_V25 JITREG_V25
+#undef REG_V26
+#define REG_V26 JITREG_V26
+#undef REG_V27
+#define REG_V27 JITREG_V27
+#undef REG_V28
+#define REG_V28 JITREG_V28
+#undef REG_V29
+#define REG_V29 JITREG_V29
+#undef REG_V30
+#define REG_V30 JITREG_V30
+#undef REG_V31
+#define REG_V31 JITREG_V31
+#undef REG_P0
+#define REG_P0 JITREG_P0
+#undef REG_P1
+#define REG_P1 JITREG_P1
+#undef REG_P2
+#define REG_P2 JITREG_P2
+#undef REG_P3
+#define REG_P3 JITREG_P3
+#undef REG_P4
+#define REG_P4 JITREG_P4
+#undef REG_P5
+#define REG_P5 JITREG_P5
+#undef REG_P6
+#define REG_P6 JITREG_P6
+#undef REG_P7
+#define REG_P7 JITREG_P7
+#undef REG_P8
+#define REG_P8 JITREG_P8
+#undef REG_P9
+#define REG_P9 JITREG_P9
+#undef REG_P10
+#define REG_P10 JITREG_P10
+#undef REG_P11
+#define REG_P11 JITREG_P11
+#undef REG_P12
+#define REG_P12 JITREG_P12
+#undef REG_P13
+#define REG_P13 JITREG_P13
+#undef REG_P14
+#define REG_P14 JITREG_P14
+#undef REG_P15
+#define REG_P15 JITREG_P15
+#undef REG_SP
+#define REG_SP JITREG_SP
+#undef REG_FFR
+#define REG_FFR JITREG_FFR
+#undef REG_STK
+#define REG_STK JITREG_STK
+
 /*****************************************************************************/
 #undef  RMASK
 #undef  VMASK
diff --git a/src/coreclr/jit/target.h b/src/coreclr/jit/target.h
index b988494fe43b12..4b5f6c8c71e53d 100644
--- a/src/coreclr/jit/target.h
+++ b/src/coreclr/jit/target.h
@@ -109,8 +109,14 @@ inline bool compUnixX86Abi()
 #if defined(TARGET_ARM) || defined(TARGET_LOONGARCH64) || defined(TARGET_RISCV64)
 enum _regNumber_enum : unsigned
 {
+#if defined(TARGET_LOONGARCH64) || defined(TARGET_RISCV64)
+// LA64 and RV64 don't require JITREG_ workaround for Android (see register.h)
 #define REGDEF(name, rnum, mask, sname) REG_##name = rnum,
 #define REGALIAS(alias, realname)       REG_##alias = REG_##realname,
+#else
+#define REGDEF(name, rnum, mask, sname) JITREG_##name = rnum,
+#define REGALIAS(alias, realname)       JITREG_##alias = JITREG_##realname,
+#endif
 #include "register.h"
 
     REG_COUNT,
@@ -130,8 +136,8 @@ enum _regMask_enum : uint64_t
 
 enum _regNumber_enum : unsigned
 {
-#define REGDEF(name, rnum, mask, xname, wname) REG_##name = rnum,
-#define REGALIAS(alias, realname)              REG_##alias = REG_##realname,
+#define REGDEF(name, rnum, mask, xname, wname) JITREG_##name = rnum,
+#define REGALIAS(alias, realname)              JITREG_##alias = JITREG_##realname,
 #include "register.h"
 
     REG_COUNT,
@@ -151,8 +157,8 @@ enum _regMask_enum : uint64_t
 
 enum _regNumber_enum : unsigned
 {
-#define REGDEF(name, rnum, mask, sname) REG_##name = rnum,
-#define REGALIAS(alias, realname)       REG_##alias = REG_##realname,
+#define REGDEF(name, rnum, mask, sname) JITREG_##name = rnum,
+#define REGALIAS(alias, realname)       JITREG_##alias = JITREG_##realname,
 #include "register.h"
 
     REG_COUNT,
@@ -173,8 +179,8 @@ enum _regMask_enum : uint64_t
 
 enum _regNumber_enum : unsigned
 {
-#define REGDEF(name, rnum, mask, sname) REG_##name = rnum,
-#define REGALIAS(alias, realname)       REG_##alias = REG_##realname,
+#define REGDEF(name, rnum, mask, sname) JITREG_##name = rnum,
+#define REGALIAS(alias, realname)       JITREG_##alias = JITREG_##realname,
 #include "register.h"
 
     REG_COUNT,