Guillermo Pablo Angaut (born 10 January 1965 in La Plata) is a former Argentine rugby union player. He played as a fullback. He is professionally an ophthalmologist.
Angaut played all his career at La Plata Rugby Club, from 1983 to 1999. He won the Torneo de la URBA in 1995. He was La Plata captain from 1990 to 1996.