Renardo Sontonio Foster (born July 15, 1984) is a former American football offensive tackle.

Foster has also been a member of the New Orleans Saints and Florida Tuskers.

As a rookie in 2007, Foster played in seven games with two starts for the Atlanta Falcons.

Foster was added to the Saints' practice squad on September 30, 2009.

In 2010, Foster had another stint with the Rams, this time playing in 10 games with one start.