(November 5, 1754 – April 9, 1810) a Tuscan explorer who spent most of his life as a Spanish naval officer.

Alejandro Celestino Toledo Manrique (born 28 March 1946) is a Peruvian former politician who served as President of Peru, from 2001 to 2006.

Alejandro Otero (El Manteco, Bolívar, March 7, 1921 — Caracas, August 13, 1990) was a Venezuelan painter of Geometric abstraction, a sculptor, a writer and a cultural promoter.

Alejandro Lerroux García (4 March 1864, in La Rambla, Córdoba – 25 June 1949, in Madrid) was a Spanish politician who was the leader of the Radical Republican Party.

Alejandro Garnacho Ferreyra (born 1 July 2004) is a professional footballer who plays as a winger for Premier League club Manchester United and the Argentina national team.

Alejandro Jodorowsky Prullansky (born 17 February 1929) is a Chilean-French avant-garde filmmaker.

Alejandro Nicolas Mayorkas (born November 24, 1959) is an American attorney and government official who is the 7th United States Secretary of Homeland Security, serving since 2021.

Alejandro Eduardo Giammattei Falla (born 9 March 1956) is a Guatemalan politician who was the 51st president of Guatemala from 2020 to 2024.

Raúl Alejandro Ocasio Ruiz (born January 10, 1993), known professionally as Rauw Alejandro, is a Puerto Rican singer and rapper.

Kevin Michael Alejandro (born April 7, 1976) is an American actor and film director.