Antonio Guerao Mayoral, known simply as Tonet (born 28 April 1979 in Barcelona, Spain) is a Spanish professional footballer who is currently without a club.

A former FC Barcelona youth player during 7 years, Tonet has also had spells with Real Oviedo, Real Avila, SD Compostela, Fuenlabrada, AD Alcorcon and L'Hospitalet 07-08, all of them in the Spanish Second Division. The Spaniard joined Scottish Premier League club St. Mirren on a one-year deal on 4 August 2008. He played in the first four games, but was sent off against Hearts. His debut in the SPL was against Celtic in a 1–0 defeat.

Tonet is a left midfielder that can also play as a left back and sometimes also as a center back. He has played 235 games (Spanish leagues), scoring 21 goals.