Wasauksing First Nation (formerly named as Parry Island First Nation, Ojibwe: Waaseyakosing, meaning: "Place that shines brightly in the reflection of the sacred light") is an Ojibway, Odawa and Pottawatomi First Nation band government whose reserve is located near Parry Sound in Ontario, Canada.

Their reserve constitutes the Parry Island in Georgian Bay. The island is about 19,000 acres (77 km) with 78 miles (126 km) of lakeshore, making it one of the larger islands in the Great Lakes. The Wasauksing First Nation now occupies the entire island, although the ghost town of Depot Harbour on the island was historically a non-aboriginal settlement.

The reserve is home to a community radio station, CHRZ-FM, the Indigenous magazine MUSKRAT, and discontinued Indigenous magazine Spirit.

The reserve's main road crosses to the mainland via the Wasauksing Swing Bridge, connecting to Rose Point Road in Seguin Township south of Parry Sound. The road continues to Parry Sound itself, becoming Emily Street at the municipal boundary of Parry Sound and Seguin.

• Basil Johnston, historian and cultural essayist
• Francis Pegahmagabow, the most highly decorated Indigenous soldier in Canadian military history,
• Waubgeshig Rice, writer and broadcaster
• Tyler Tabobondung Rushnell, https://www.nhl.com/web/news/toronto-maple-leafs-host-indigenous-celebration-game-sport-custom-warmup-jerseys/c-339658410 NHL (Toronto Maple Leafs) indigenous Jersey designer

• Wasauksing First Nation
• Wasauksing FN