diff --git a/src/bindgen/ir/ty.rs b/src/bindgen/ir/ty.rs
index 63e7d71b8..a95c41303 100644
--- a/src/bindgen/ir/ty.rs
+++ b/src/bindgen/ir/ty.rs
@@ -433,6 +433,16 @@ impl Type {
                 is_nullable: false,
                 is_ref: false,
             }),
+            "Box"
+                if config.language == Language::C && config.function.swift_name_macro.is_none() =>
+            {
+                Some(Type::Ptr {
+                    ty: Box::new(generic),
+                    is_const: false,
+                    is_nullable: false,
+                    is_ref: false,
+                })
+            }
             "Cell" => Some(generic),
             "ManuallyDrop" | "MaybeUninit" if config.language == Language::C => Some(generic),
             _ => None,
diff --git a/tests/expectations/both/box.c b/tests/expectations/both/box.c
new file mode 100644
index 000000000..6468f86ed
--- /dev/null
+++ b/tests/expectations/both/box.c
@@ -0,0 +1,16 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct NotReprC_Box_i32 NotReprC_Box_i32;
+
+typedef NotReprC_Box_i32 Foo;
+
+typedef struct MyStruct {
+  int32_t *number;
+} MyStruct;
+
+void delete(int32_t *x);
+
+void root(const Foo *a, const MyStruct *with_box);
diff --git a/tests/expectations/both/box.compat.c b/tests/expectations/both/box.compat.c
new file mode 100644
index 000000000..31f5d7a8f
--- /dev/null
+++ b/tests/expectations/both/box.compat.c
@@ -0,0 +1,24 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct NotReprC_Box_i32 NotReprC_Box_i32;
+
+typedef NotReprC_Box_i32 Foo;
+
+typedef struct MyStruct {
+  int32_t *number;
+} MyStruct;
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+void delete(int32_t *x);
+
+void root(const Foo *a, const MyStruct *with_box);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus
diff --git a/tests/expectations/box.c b/tests/expectations/box.c
new file mode 100644
index 000000000..967f4b7fe
--- /dev/null
+++ b/tests/expectations/box.c
@@ -0,0 +1,16 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct NotReprC_Box_i32 NotReprC_Box_i32;
+
+typedef NotReprC_Box_i32 Foo;
+
+typedef struct {
+  int32_t *number;
+} MyStruct;
+
+void delete(int32_t *x);
+
+void root(const Foo *a, const MyStruct *with_box);
diff --git a/tests/expectations/box.compat.c b/tests/expectations/box.compat.c
new file mode 100644
index 000000000..4a31ac943
--- /dev/null
+++ b/tests/expectations/box.compat.c
@@ -0,0 +1,24 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct NotReprC_Box_i32 NotReprC_Box_i32;
+
+typedef NotReprC_Box_i32 Foo;
+
+typedef struct {
+  int32_t *number;
+} MyStruct;
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+void delete(int32_t *x);
+
+void root(const Foo *a, const MyStruct *with_box);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus
diff --git a/tests/expectations/tag/box.c b/tests/expectations/tag/box.c
new file mode 100644
index 000000000..1667e37b2
--- /dev/null
+++ b/tests/expectations/tag/box.c
@@ -0,0 +1,16 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+struct NotReprC_Box_i32;
+
+typedef struct NotReprC_Box_i32 Foo;
+
+struct MyStruct {
+  int32_t *number;
+};
+
+void delete(int32_t *x);
+
+void root(const Foo *a, const struct MyStruct *with_box);
diff --git a/tests/expectations/tag/box.compat.c b/tests/expectations/tag/box.compat.c
new file mode 100644
index 000000000..3bf1324ec
--- /dev/null
+++ b/tests/expectations/tag/box.compat.c
@@ -0,0 +1,24 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+struct NotReprC_Box_i32;
+
+typedef struct NotReprC_Box_i32 Foo;
+
+struct MyStruct {
+  int32_t *number;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+void delete(int32_t *x);
+
+void root(const Foo *a, const struct MyStruct *with_box);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus
diff --git a/tests/rust/box.skip_cpp.rs b/tests/rust/box.skip_cpp.rs
new file mode 100644
index 000000000..11cc49aef
--- /dev/null
+++ b/tests/rust/box.skip_cpp.rs
@@ -0,0 +1,16 @@
+#[repr(C)]
+pub struct MyStruct {
+    number: Box<i32>,
+}
+
+pub struct NotReprC<T> {
+    inner: T,
+}
+
+pub type Foo = NotReprC<Box<i32>>;
+
+#[no_mangle]
+pub extern "C" fn root(a: &Foo, with_box: &MyStruct) {}
+
+#[no_mangle]
+pub extern "C" fn delete(x: Box<i32>) {}