What is "kustaa"

Kustaa may refer to:

• Arvo Kustaa Halberg (1910–2000), leader of the Communist Party USA
• Kaarlo Kustaa Lappalainen (1877–1965), Finnish sport shooter
• Kaarlo Kustaa Paasia (1883–1961), Finnish gymnast who competed in the 1908 Summer Olympics
• Kustaa Pihlajamäki (1902–1944), Finnish freestyle wrestler and Olympic champion
• Kustaa Rovio (1887–1938), Finnish Communist politician who fled to the Russian SFSR after the Finnish Civil War