Gilson is both a surname and a given name. Notable people with the name include:
Surname:
Alf Gilson, English footballer
Étienne Gilson, French philosopher
François Gilson, Belgian comics writer
Franklin L. Gilson, American politician
Georges Gilson, French Catholic bishop
Jamie Gilson, American children's book author
Jerome Gilson, American trademark lawyer
Paul Gilson, Belgian composer
Tom Gilson, American actor
Tom Gilson (American football), American football player
Given name:
Gilson Lavis, former drummer for the band Squeeze
Gilson Lubin, Canadian comedian
Gilson Manuel Silva Alves, Cape Verdean footballer