William Henry "David" Fonseca (1 May 1954 – 30 April 2015) was a Belizean politician.
A member of the People's United Party, Fonseca served as Mayor of Belize City from 1999 to 2006.
Fonseca was elected to the Belize City Council in 1989 and first served as mayor in 1992 when the position was selected annually among councilors.
[1] In March 1999 Fonseca became the city's first directly-elected mayor, defeating United Democratic Party nominee Anthony "Boots" Martinez.
[3] On 30 April 2015, Fonesca was found dead of a gunshot wound to the head at a house owned by his mother in Belize City.