Collazo is a surname from the Spanish word collazo meaning Shining star.
- People with the surname Collazo
- Ariel Collazo, Uruguayan politician
- Carlos Miguel Collazo, technology entrepreneur and past intelligence analysis advisor to U.S. administrations
- José Bordonada Collazo, Puerto Rican singer
- Julito Collazo (1925–2004), master percussionist
- Luis Collazo (born 1981), welterweight boxer
- Manuela Santiago Collazo (born 1938), Puerto Rican politician
- Oscar Collazo (1914–1994), attempted assassin of U.S. President Harry S. Truman
- Patrice Collazo (born 1974), French rugby union footballer
- Ramón Collazo, Uruguayan carnival artist.
- Teófilo Collazo, Uruguayan politician.
- Tristan Collazo (born 1988), Uss Enterprise Sailor of the Year
- Willie Collazo (born 1979), professional baseball pitcher
- Surname popularity
- There are approximately 1,797 people in Spain with the surname Collazo, making it the 2,926 most common in the country.
- It is ranked 2,661 out of 88,799 in the United States.