John Mengatti (September 21, 1954 – March 26, 2023) was an American actor primarily known for his role as Nick Vitaglia, Salami's cousin, on the CBS television series The White Shadow.

Mengatti joined the cast midway through the second season and was a fan favorite with his distinctive New York–style accent.

He dropped out of acting for a while, but recently resurfaced on NYPD Blue in 2001 in a recurring role as Officer Howard.

Mengatti also appeared in Knights of the City, a 1986 action adventure film starring Leon Isaac Kennedy, Nicholas Campbell and Janine Turner.

It was directed by Dominic Orlando and written by Leon Isaac Kennedy and filmed in Miami, Ft. Lauderdale and Hollywood, Florida.