Jonathon is a male given name. It is an often used alternative spelling of "Jonathan", as is "Johnathan". Notable people named Jonathon include:
Jon Allen (musician) (born 1977), English singer-songwriter Jonathon Brandmeier (born 1956), a Chicago radio personality and musician Jonathon Morris (born 1960), English actor and former television presenter Jonathon Simmons (born 1989), American professional basketball player Jonathon Ross (footballer) (born 1973), Australian rules footballer Jonathon Young (born 1973), Canadian actor Jonathon Porritt (born 1950), a leading British environmentalist and writer Jonathon Blum (born 1989), American professional ice hockey defenseman, currently playing with HC Sochi of the Kontinental Hockey Jonathon Webb (born 1983), Australian professional racing driver and team owner of Tekno Autosports