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. She has performed with and written for singers such as Elton John, Leon Russell, Nicky Hopkins, Steve Lukather, Andreas Carlsson, husband Bill Champlin, and son Will Champlin.

Tour dates from 2010 to 2016 with Bill Champlin included California, Europe, Hawaii, Japan, South America, Kuwait and Iraq. She is a full member of the Sons of Champlin, a founding member of Bill Champlin & Wunderground, was active in the Rhythmic Arts Project to benefit children with intellectual disabilities, and in the Saving K-9 Lives charity, which encouraged the adoption of shelter pets.