Carl Frederick Tandberg (March 22, 1910 – August 26, 1988), was an American bassist who recorded with Glen Campbell and Frankie Ortega.

He was born on March 22, 1910, in Dorchester, Boston where his father, Thorvald Martin Tandberg I (1874–1970), managed a restaurant.

His music career began in Boston in 1926 where he played in local ballrooms, restaurants and in radio stations WNAC and WEEI.

[3] Around 1948 he moved to California and worked with the Frankie Ortega Trio in Las Vegas and at the Balboa Bay Club in Newport Beach for 11 years.

He died in Los Angeles, California on August 26, 1988, of a heart attack, and was buried in Eternal Valley Memorial Park.