Pug is a nickname of:

• Walden L. Ainsworth (1886-1960), US Navy World War II vice admiral
• Pug Bennett (1874–1935), American Major League Baseball player
• Pug Cavet (1889–1966), American Major League Baseball player
• Russell Daugherity (1902-1971), American football player
• Peter George Davis (1923-2011), British Second World War Royal Marines lieutenant colonel
• Pug Griffin (1896-1951), American Major League Baseball player
• Hastings Ismay, 1st Baron Ismay (1887-1965), British general and Winston Churchill's chief military adviser in the Second World War
• Pug Lund (1913–1994), American football player, member of the College Football Hall of Fame
• Clarence "Pug" Manders (1913-1985), American National Football League running back
• Alex Pourteau (born 1969), professional wrestler nicknamed "The Pug"
• Pug Rentner (1910–1978), American National Football League halfback and quarterback
• Pug Southerland (1911–1949), United States Navy World War II flying ace
• Charles Upham (1908-1994), New Zealand captain twice awarded the Victoria Cross during the Second World War
• Pug Vaughan (1911-1964), American National Football League player