Johanna Falls is a waterfall located within the Johanna Falls Scenic Reserve near Johanna in Victoria, Australia, situated along the Johanna River in the Otways region. The reserve sits at approximately 565 Blue Johanna Road, in the Colac Otway Shire.

The scenic reserve offers walking and hiking trails suited to a range of experience levels, from casual strolls to more demanding hikes. The surrounding landscape features lush forests and picturesque viewpoints, with diverse native flora and fauna throughout.

The Johanna River itself originates in the Otway Ranges below Lavers Hill before flowing south toward Johanna Beach on the Great Australian Bight.