Alvin Ryan Bubb (born 11 October 1980) is a Grenadian international footballer who plays as a left winger.
Born in Paddington, England, Bubb is cousin to fellow players Byron Bubb and Bradley Bubb.
Bubb made 14 appearances in the Football League for Queens Park Rangers and Bristol Rovers. He later played non-league football for Billericay Town, Slough Town, Aylesbury United and Wealdstone.
Bubb has earned international caps for Grenada.