diff --git a/stdlib/3/fileinput.pyi b/stdlib/3/fileinput.pyi
new file mode 100644
index 000000000..7d68c2797
--- /dev/null
+++ b/stdlib/3/fileinput.pyi
@@ -0,0 +1,48 @@
+from typing import Iterable, Callable, IO, AnyStr, Generic, Any, Union, Iterator
+
+
+def input(
+    files: Union[str, Iterable[str]]=None,
+    inplace: bool=...,
+    backup: str=...,
+    bufsize: int=...,
+    mode: str=...,
+    openhook: Callable[[str, str], IO[AnyStr]]=...) -> Iterable[AnyStr]: ...
+
+
+def close() -> None: ...
+def nextfile() -> None: ...
+def filename() -> str: ...
+def lineno() -> int: ...
+def isfirstline() -> bool: ...
+def isstdin() -> bool: ...
+
+class FileInput(Iterable[AnyStr], Generic[AnyStr]):
+    def __init__(
+        self,
+        files: Union[str, Iterable[str]]=None,
+        inplace: bool=...,
+        backup: str=...,
+        bufsize: int=...,
+        mode: str=...,
+        openhook: Callable[[str, str], IO[AnyStr]]=...
+        ) -> None: ...
+
+    def __del__(self) -> None: ...
+    def close(self) -> None: ...
+    def __enter__(self) -> 'FileInput[AnyStr]': ...
+    def __exit__(self, type: Any, value: Any, traceback: Any) -> None: ...
+    def __iter__(self) -> Iterator[AnyStr]: ...
+    def __next__(self) -> AnyStr: ...
+    def __getitem__(self, i) -> AnyStr: ...
+    def nextfile(self) -> None: ...
+    def readline(self) -> AnyStr: ...
+    def filename(self) -> str: ...
+    def lineno(self) -> int: ...
+    def filelineno(self) -> int: ...
+    def fileno(self) -> int: ...
+    def isfirstline(self) -> bool: ...
+    def isstdin(self) -> bool: ...
+
+def hook_compressed(filename: str, mode: str) -> IO[AnyStr]: ...
+def hook_encoded(encoding: str) -> IO[AnyStr]: ...