diff --git a/newsfragments/5966.added.md b/newsfragments/5966.added.md
new file mode 100644
index 00000000000..2dfdd12d86c
--- /dev/null
+++ b/newsfragments/5966.added.md
@@ -0,0 +1 @@
+Add non-limited API counterpart of bytearrayobject.rs
diff --git a/pyo3-ffi/src/bytearrayobject.rs b/pyo3-ffi/src/bytearrayobject.rs
index f99c0ebc589..f161dedbcdd 100644
--- a/pyo3-ffi/src/bytearrayobject.rs
+++ b/pyo3-ffi/src/bytearrayobject.rs
@@ -2,24 +2,6 @@ use crate::object::*;
 use crate::pyport::Py_ssize_t;
 use std::ffi::{c_char, c_int};
 
-#[cfg(not(any(PyPy, GraalPy, Py_LIMITED_API)))]
-#[repr(C)]
-pub struct PyByteArrayObject {
-    pub ob_base: PyVarObject,
-    pub ob_alloc: Py_ssize_t,
-    pub ob_bytes: *mut c_char,
-    pub ob_start: *mut c_char,
-    #[cfg(Py_3_9)]
-    pub ob_exports: Py_ssize_t,
-    #[cfg(not(Py_3_9))]
-    pub ob_exports: c_int,
-    #[cfg(Py_3_15)]
-    pub ob_bytes_object: *mut PyObject,
-}
-
-#[cfg(any(PyPy, GraalPy, Py_LIMITED_API))]
-opaque_struct!(pub PyByteArrayObject);
-
 extern_libpython! {
     #[cfg_attr(PyPy, link_name = "PyPyByteArray_Type")]
     pub static mut PyByteArray_Type: PyTypeObject;
diff --git a/pyo3-ffi/src/cpython/bytearrayobject.rs b/pyo3-ffi/src/cpython/bytearrayobject.rs
new file mode 100644
index 00000000000..a39158bace4
--- /dev/null
+++ b/pyo3-ffi/src/cpython/bytearrayobject.rs
@@ -0,0 +1,48 @@
+use crate::object::*;
+use crate::pyport::Py_ssize_t;
+#[cfg(not(any(PyPy, GraalPy)))]
+use std::ffi::c_char;
+#[cfg(not(Py_3_9))]
+use std::ffi::c_int;
+
+#[cfg(not(any(PyPy, GraalPy, Py_LIMITED_API)))]
+#[repr(C)]
+pub struct PyByteArrayObject {
+    pub ob_base: PyVarObject,
+    pub ob_alloc: Py_ssize_t,
+    pub ob_bytes: *mut c_char,
+    pub ob_start: *mut c_char,
+    #[cfg(Py_3_9)]
+    pub ob_exports: Py_ssize_t,
+    #[cfg(not(Py_3_9))]
+    pub ob_exports: c_int,
+    #[cfg(Py_3_15)]
+    pub ob_bytes_object: *mut PyObject,
+}
+
+#[cfg(any(PyPy, GraalPy))]
+opaque_struct!(pub PyByteArrayObject);
+
+#[inline]
+#[cfg(not(any(PyPy, GraalPy)))]
+pub unsafe fn PyByteArray_AS_STRING(op: *mut PyObject) -> *mut c_char {
+    let byte_array = op as *mut PyByteArrayObject;
+    (*byte_array).ob_start
+}
+
+/*
+#[inline]
+#[cfg(Py_GIL_DISABLED)]
+pub unsafe fn PyByteArray_GET_SIZE(op: *mut PyObject) -> Py_ssize_t {
+  let byte_array = op as *mut PyByteArrayObject;
+  // _Py_atomic_load_ssize_relaxed and _PyVarObject_CAST not implemented
+  // Insert Rust equivalent of the next line:
+  return _Py_atomic_load_ssize_relaxed(&(_PyVarObject_CAST(byte_array)->ob_size));
+}
+*/
+
+#[inline]
+#[cfg(not(Py_GIL_DISABLED))]
+pub unsafe fn PyByteArray_GET_SIZE(op: *mut PyObject) -> Py_ssize_t {
+    Py_SIZE(op)
+}
diff --git a/pyo3-ffi/src/cpython/mod.rs b/pyo3-ffi/src/cpython/mod.rs
index 6e73d3bab64..1f538a76937 100644
--- a/pyo3-ffi/src/cpython/mod.rs
+++ b/pyo3-ffi/src/cpython/mod.rs
@@ -1,5 +1,5 @@
 pub(crate) mod abstract_;
-// skipped bytearrayobject.h
+pub(crate) mod bytearrayobject;
 pub(crate) mod bytesobject;
 #[cfg(not(PyPy))]
 pub(crate) mod ceval;
@@ -45,6 +45,7 @@ pub(crate) mod unicodeobject;
 pub(crate) mod weakrefobject;
 
 pub use self::abstract_::*;
+pub use self::bytearrayobject::*;
 pub use self::bytesobject::*;
 #[cfg(not(PyPy))]
 pub use self::ceval::*;