List of Famous people named Guido

Guido Stampacchia was a 20th-century Italian mathematician, known for his work on the theory of variational inequalities, the calculus of variation and the theory of elliptic partial differential equations.

Guido Leopold Weiss is an American mathematician, working in analysis, especially Fourier analysis and harmonic analysis.

Guido Bontempi is an Italian former road bicycle racer. Bontempi's career highlights include winning the spring's classic Gent–Wevelgem two times and a total of 16 stages in the Giro d'Italia throughout his career. He also won six stages in the Tour de France and four stages in the Vuelta a España. In the 1988 Tour de France he won the prologue, allowing him to wear the yellow jersey in the first stage. He also won the points classification in the 1986 Giro d'Italia and wore the pink jersey as leader of the general classification for one stage in the 1981 Giro d'Italia. He also competed in the 1000m time trial and team pursuit events at the 1980 Summer Olympics.

Admiral Guido Venturoni is a retired Italian Navy officer who served as Chief of the Defence Staff before being appointed Chairman of the NATO Military Committee.

Guido Reybrouck is a Belgian former road bicycle racer. He is an older brother of Wilfried Reybrouck and the cousin of Gustave Danneels.

Guido Boni was an Italian racing cyclist. He won stage 7 of the 1958 Giro d'Italia.

Guido Gallese is the bishop of Alessandria della Paglia since his appointment was announced on 20 October 2012. He had previously served as director of the Diocesan Office for the University and head of diocesan youth ministry.

Guido Fulst is a former German racing cyclist, who competed for the SG Dynamo Wernigerode, SC Dynamo Berlin / Sportvereinigung (SV) Dynamo. He won many titles during his career. He won two gold medals and a bronze at the Olympic Games.

Guido Cerniglia was an Italian actor.