diff --git a/Source/DrangPlatform/Source/win32/sync/internal.h b/Source/DrangPlatform/Source/win32/sync/internal.h
index 542b7a2..e1ed6b7 100644
--- a/Source/DrangPlatform/Source/win32/sync/internal.h
+++ b/Source/DrangPlatform/Source/win32/sync/internal.h
@@ -14,4 +14,10 @@ struct drang_cond
 {
     CONDITION_VARIABLE cv;
     bool initialized;
-};
\ No newline at end of file
+};
+
+struct drang_rwlock
+{
+    SRWLOCK srw;
+    bool initialized;
+};
diff --git a/Source/DrangPlatform/Source/win32/sync/rwlock.c b/Source/DrangPlatform/Source/win32/sync/rwlock.c
new file mode 100644
index 0000000..599ca02
--- /dev/null
+++ b/Source/DrangPlatform/Source/win32/sync/rwlock.c
@@ -0,0 +1,111 @@
+#include <drang/alloc.h>
+#include <drang/sync.h>
+#include "internal.h"
+
+size_t drang_rwlock_size(void)
+{
+    return sizeof(struct drang_rwlock);
+}
+
+int drang_rwlock_new(struct drang_rwlock **rwlock)
+{
+    struct drang_rwlock *rw = NULL;
+    DRANG_BEGIN_TRY();
+
+    DRANG_CHECK(rwlock != NULL, DRANG_EINVAL);
+
+    rw = DRANG_TRY_ALLOC_T(struct drang_rwlock);
+
+    DRANG_TRY(drang_rwlock_init(rw));
+
+    DRANG_RETURN_IN(rwlock, rw);
+
+    DRANG_CATCH(_)
+    {
+        if (rw != NULL) {
+            drang_free(rw);
+        }
+    }
+    DRANG_END_TRY();
+}
+
+void drang_rwlock_free(struct drang_rwlock *rwlock)
+{
+    if (rwlock == NULL) {
+        return;
+    }
+
+    drang_rwlock_fini(rwlock);
+    drang_free(rwlock);
+}
+
+int drang_rwlock_init(struct drang_rwlock *rwlock)
+{
+    DRANG_BEGIN_TRY();
+
+    DRANG_CHECK(rwlock != NULL, DRANG_EINVAL);
+    DRANG_CHECK(!rwlock->initialized, DRANG_EBUSY);
+
+    InitializeSRWLock(&rwlock->srw);
+    rwlock->initialized = true;
+
+    DRANG_END_TRY_IGNORE();
+}
+
+void drang_rwlock_fini(struct drang_rwlock *rwlock)
+{
+    if (rwlock == NULL) {
+        return;
+    }
+
+    // Windows SRWLOCK doesn't require explicit cleanup
+    rwlock->initialized = false;
+}
+
+int drang_rwlock_rdlock(struct drang_rwlock *rwlock)
+{
+    DRANG_BEGIN_TRY();
+
+    DRANG_CHECK(rwlock != NULL, DRANG_EINVAL);
+    DRANG_CHECK(rwlock->initialized, DRANG_EINVAL);
+
+    AcquireSRWLockShared(&rwlock->srw);
+
+    DRANG_END_TRY_IGNORE();
+}
+
+int drang_rwlock_wrlock(struct drang_rwlock *rwlock)
+{
+    DRANG_BEGIN_TRY();
+
+    DRANG_CHECK(rwlock != NULL, DRANG_EINVAL);
+    DRANG_CHECK(rwlock->initialized, DRANG_EINVAL);
+
+    AcquireSRWLockExclusive(&rwlock->srw);
+
+    DRANG_END_TRY_IGNORE();
+}
+
+int drang_rwlock_rdunlock(struct drang_rwlock *rwlock)
+{
+    DRANG_BEGIN_TRY();
+
+    DRANG_CHECK(rwlock != NULL, DRANG_EINVAL);
+    DRANG_CHECK(rwlock->initialized, DRANG_EINVAL);
+
+    ReleaseSRWLockShared(&rwlock->srw);
+
+    DRANG_END_TRY_IGNORE();
+}
+
+int drang_rwlock_wrunlock(struct drang_rwlock *rwlock)
+{
+    DRANG_BEGIN_TRY();
+
+    DRANG_CHECK(rwlock != NULL, DRANG_EINVAL);
+    DRANG_CHECK(rwlock->initialized, DRANG_EINVAL);
+
+    ReleaseSRWLockExclusive(&rwlock->srw);
+
+    DRANG_END_TRY_IGNORE();
+}