Arismendy Peguero Matos (born 2 August 1980) is a sprinter from the Dominican Republic who specializes in the 400 metres.

Peguero finished fifth in 4 x 400 metres relay at the 2006 World Indoor Championships, together with teammates Danis García, Juan Betances and Carlos Santa.

He later won a bronze medal in 400 m at the 2006 Central American and Caribbean Games.

His success earned him the title Dominican Republic male athlete of the year in 2006.

This biographical article related to Dominican Republic athletics is a stub.