Henry P. McNamara (born December 9, 1934) has been in the New Jersey Senate since 1985, where he was Minority Whip from 1990 to 1991. Before entering the Senate, McNamara spent 6 years in the New Jersey National Guard, and was a member of the Bergen County Board of Freeholders from 1984 to 1986. Senator McNamara also spent a year as Mayor of Wyckoff Township, and a year as Deputy Mayor.

The Senator is a member of the Senate Environment Committee and the Transportation Committee.