Sonic the Hedgehog 4 may refer to:
Sonic the Hedgehog 4, a planned trilogy of episodic video games: Sonic the Hedgehog 4: Episode I, the first game in the series Sonic the Hedgehog 4: Episode II, the second game in the series Sonic the Hedgehog 4: Episode III, a planned but ultimately unproduced third game in the series Sonic the Hedgehog 4 (film), an upcoming film in the live-action Sonic film series Sonic the Hedgehog 4, an unlicensed Super Nintendo Entertainment System game
See also Sonic the Hedgehog (disambiguation) List of Sonic the Hedgehog video games