Mississagi may refer to:

• Mississagi River—a river in Algoma and Sudbury Districts, Ontario, Canada
• Mississagi Strait—a narrow channel in Lake Huron
• Mississagi Provincial Park—a natural environment-class park north of Elliot Lake
• Mississagi Island—an island in the North Channel of Lake Huron
• Mississagi River Provincial Park—a protected area on the Mississagi River in Algoma and Sudbury Districts, Ontario, Canada . ...
• Mississagi (ship, 1943), a self-unloading bulk carrier

• The Lady (Warhammer)
• The Lady, Warhammer
• The Lady Windermere Syndrome
• The Lady with a Fan
• The Lady with a Fan (Velasquez)
• The Lady with a Fan (Velazquez)
• The Lady with a Fan (Velázquez)
• The Lady Without Camelias
• The Lafayette Hotel, Swim Club & Bungalows
• The Laff Stop
• The L.A. Four
• The L.A. Four (band)
• The Lagoon
• The Laguna Mall
• The L.A. Guns
• The Lahore Marathon
• The Laidly Worm of Spindleston Heugh
• The Laily Worm and the Machrel of the Sea
• The Lair
• The Laird o Drum
• The Laird O Drum
• The Laird Of Logie
• The Laird o Logie
• The Laird O Logie
• The lair of bones