Juan Ruiz, known as the Archpriest of Hita (Arcipreste de Hita), was a medieval Castilian poet.

Rosie M. Vivas (Ruiz; June 21, 1953 – July 8, 2019) was a Cuban fraudster who, among other schemes, was declared the winner in the female category for the 84th Boston Marathon in 1980, only to have her title stripped eight days after the race when it was discovered that she had not run the entire course.

A volcano on the border of the departments of Caldas and Tolima in Colombia.

Esteury Ruiz Reyes (born February 15, 1999) is a Dominican professional baseball center fielder for the Athletics of Major League Baseball.

Andrés Ponce Ruiz Jr. (born September 11, 1989) is a Mexican-American professional boxer.

Lorenzo Ruiz (November 28, 1594 – September 29, 1637), also called Saint Lorenzo of Manila, was a Filipino Catholic layman and a member of the Third Order of Saint Dominic.

(born January 4, 1972) an American former professional boxer who competed from 1992 to 2010, and held the WBA heavyweight title twice between 2001 and 2005.

Miguel Ángel Ruiz Macías (born August 27, 1952), better known as Don Miguel Ruiz, is a Mexican author of Toltec spiritual and neoshamanistic texts.

Keibert Jose Ruiz (born July 20, 1998) is a Venezuelan professional baseball catcher for the Washington Nationals of Major League Baseball.

Bryan Jafet Ruiz González (born 18 August 1985) is a Costa Rican former professional footballer.

a Mexican -US journalist.

Abel Ruiz Ortega (born 28 January 2000) is a Spanish professional footballer who plays as a forward for La Liga club Girona and the Spain national team.

a heavyweight professional boxing match contested between undefeated and unified WBA (Super), IBF, WBO, and IBO champion Anthony Joshua, and former world title challenger