Gaspar Lococo, co-founder of Funtime, Inc. Gaspar Melchor de Jovellanos (1744–1811), Spanish neoclassical statesman, author, philosopher; Gaspar Méndez (fl. 1546), Spanish architect of Badajoz; Gaspar Méndez de Haro, 7th Marquis of Carpio (1629–1687), Spanish political figure; Gaspar Milazzo (1887–1930), Italian-American organized-crime ...

Gaspar de Guzmán, Count-Duke of Olivares (1587–1645), Spanish court favorite and minister; Gastón Guzmán (1932–2016), Mexican mycologist and anthropologist; J. Jack Guzman (born 1975), Colombian-born American actor; Jaime Guzmán (1946–1991), Chilean lawyer and senator, founder of the Independent Democratic Union;