Alfonzo is a given name and surname. Notable people with the name include:
Surname
Alfredo Armas Alfonzo (1921–1990), Venezuelan writer, critic, editor and historian Carlos Alfonzo, Cuban-American painter DeJuan Alfonzo (born 1977), American football wide receiver/linebacker Edgardo Alfonzo a.k.a. "Fonzie" (born 1973), Major League Baseball infielder Eliézer Alfonzo (born 1979), professional baseball catcher José Luis Alfonzo (born 1961), Argentinian film actor Juan Pablo Perez Alfonzo (1903–1979), Venezuelan diplomat, politician and lawyer
Given name
Alfonzo Dennard (born 1989), American football cornerback
Luis Alfonzo García (born 1978), professional baseball first baseman
Alfonzo Giordano (1937–2013), senior ranking officer in the Philadelphia Police Department, convicted of accepting bribes Luis Alfonzo Larrain (1911–1996), Venezuelan composer, music director and producer Alfonzo Ratliff or Alfonso Ratliff (born 1956), American boxer Alfonzo Sturzenegger (1888–1949), American football and baseball player and coach
Fictional characters
Alfonzo Frohicky, a character in Ninjago
See also
Afono
Alfoz
Alonzo (disambiguation)