Wendy Moniz (born January 19, 1969 in Kansas City, Missouri, U.S.) is an actress, best known for her role as Dinah Marler on the daytime soap opera Guiding Light (1995-1999, 2002) and primetime dramas Nash Bridges (2000-2001) and The Guardian (2001-2004). She also had a recurring guest-starring role on Battery Park.

She has been nominated twice for Soap Opera Digest Award for her work on Guiding Light.

She married David Birsner in 1991, but the couple divorced without issue in 1996.

Since October 28, 2000, she has been married to her former Guiding Light co-star, Frank Grillo (ex-Hart Jessup), also of Portuguese descent. The couple have two boys Liam (born August 2004) and Rio Joseph Grillo (born January 25, 200.