Tamara Champlin (née Matoesian) is an American singer-songwriter who started her career as a session singer in Houston, Texas, later moving to Los Angeles.

Tour dates from 2010 to 2016 with Bill Champlin included California, Europe, Hawaii, Japan, South America, Kuwait and Iraq.

During that time she continued writing for other performers: "Saint Forgiveness" (Champlin/Gaitsch/Champlin) written for Bruce Gaitsch's 1997 album Aphasia; "Runaway Love" (Champlin/Caruso/Matkosky) recorded by both Rita Coolidge on her "Thinkin' About You" CD,[18] (1998) and was a top 40 Billboard hit for Chris LeDoux on his "One Road Man".

On Chicago's "What's It Gonna Be Santa" Christmas Release she and husband Bill Champlin (a 28-year member of the band) contributed a co-write that he sang: "Bethlehem".

Many collaborations with Michael Caruso[20] followed: "Shoo-Rah", "I'm Not Your Lover"; (Champlin/Caruso/Matkosky) recorded again, by Rita Coolige; "Louisiana Wind" written by Champlin, Caruso, Matkosky and Lecompt was featured on Mike LeCompt's "Can't Let Go"(2002);[21] "Pretty Ugly" and "Pretty When She Cries" (Champlin/Caruso) from a Perfect Day's Release "All Over Everything" (2004) and Bekka Bramlett's Hit on Music Row "What's On My Mind" (2009).

In 2014, she re-formed her own band, this time with husband Bill Champlin, Carmen Grillo, Johnny Griparic and Dave Raven, playing at the Los Angeles restaurant and live music venue, Genghis Cohen.

In 2014, she and Bill Champlin were part of a performance at Riverside, California, in support of the Lone Survivor Foundation,[28] dedicated to assisting wounded American service members and their families.

[29] She was associated with Eddie Tuduri's Rhythmic Arts Project that helps children with learning disabilities and, in 2017, was part of their 20th anniversary show, where she performed a duet with Michael McDonald.