Wallace Arthur (born 30 March 1952) is an evolutionary biologist and science writer.

Wallace Arthur was born in Belfast, Northern Ireland, in 1952.

He attended Friends School Lisburn and Campbell College Belfast.

Arthur describes himself as "a bit of a maverick" who likes "making connections across disciplinary boundaries".

Arthur is a proponent of an expanded evolutionary synthesis that takes into account progress in the field of evo-devo.