Gregory Sierra (born January 25, 1937) is an American actor known for his roles as Detective Sergeant Chano Amenguale on Barney Miller and as Julio Fuentes, the Puerto Rican neighbor of Fred G. Sanford on Sanford and Son .

Gregory may refer to:

Gregory Billington was born on May 30th, 1989 in Spokane, Washington. He attended RAF Lakenheath High School and later graduated from Wake Forest University. In 2016 he was selected by the United States to compete at the 2016 Summer Olympics in Rio de Janeiro in the Triathlon.