London voters have chosen Matt Brown to replace their disgraced former mayor, Joe Fontana, after he resigned this summer following a fraud conviction.

Brown, a teacher, beat out more than a dozen candidates, including frontrunners Paul Cheng, a businessman, and Joe Swan, a city councillor.

Fontana vowed this summer never to seek public office again, effectively ending his three-decade federal and municipal political career.

He was found guilty of defrauding the government for forging a contract from his son's wedding to make it look as though it was for a political event at the same venue while he was a Liberal MP.

He's been sentenced to four months of house arrest.