Liudas is a masculine Lithuanian given name. Notable people with the name include:
Liudas Gira (1884–1946), Lithuanian poet, writer and literary critic Liudas Jakavicius-Grimalauskas (1910–1998), Lithuanian pianist, composer and theatre director Liudas Mažylis, Lithuanian politician Liudas Rumbutis (born 1955), Lithuanian-Belarusian footballer and manager Liudas Vaineikis (1869–1938), Lithuanian physician and book smuggler Liudas Vilimas (1912–1966), Lithuanian painter