Daignault is a surname. Notable people with the surname include:

• Cynthia Daignault (born 1978), American painter
• Eugène Daignault (1895–1960), American-Canadian radio actor
• Guy Daignault (died 2005), Canadian speed skater
• Laurent Daignault (born 1968), Canadian speed skater
• Michel Daignault (born 1966), Canadian speed skater

• McGovern-Hatfield amendment
• McGovern Park
• McGovern Transportation Center
• McGovern–Fraser Commission
• McGowan
• McGowan (disambiguation)
• McGowan, Jonas Hartzell
• McGowan Station
• McGowan's War
• McGowen
• McGowen station
• McGrady
• Mcgrath
• McGrath Airport
• McGrath Arena
• McGrath Elementary
• McGrath Elementary School
• McGrath, Joseph
• McGraths Cove, Nova Scotia
• McGraths Hill
• McGrath State Beach
• Mcgraw-Hill
• McGraw-Hill Buildiing (Chicago)
• McGraw-Hill Building (Chicago)
• McGraw-Hill Building (disambiguation)