Wenceslao is a Spanish masculine given name, derived from Wenceslaus, itself a Latinized version of the Czech name Václav. It may refer to:
- Wences Casares (born 1974), Argentine entrepreneur
- Wenceslao Carrillo Alonso-Forjador, Spanish Socialist leader, father of Santiago Carrillo
- Wenceslao Díaz (born 1987), Mexican retired footballer
- Wenceslao Díaz Gallegos (1834–1895), Chilean scientist and surgeon
- Wenceslao Fernández Flórez ((1885–1964), Spanish journalist and novelist
- Wenceslao Figuereo (1834–1910), Dominican politician
- Wenceslao Herrera Coyac (born 1948), Mexican politician
- Wenceslao Moguel (c. 1890–1976), Mexican soldier in the Mexican Revolution who survived execution by firing squad
- Wenceslao Moreno (1896–1999), Spanish ventriloquist known as "Señor Wences"
- Wenceslao Vinzons (1910–1942), Filipino politician and guerilla leader against the Japanese occupation