No starting quarterback has won a Super Bowl ring with two different teams.
They are the Patriots, and the Giants!
New York Giants and New England Patriots Super Bowl XLI 2/3/08
The Colts and the Saints.
Charles Haley was a member of three Cowboy teams and 2 san Fran teams for a total of 5 super bowl winning teams.
Through Super Bowl XLV, 2 QBs have started for two teams ... 1) Craig Morton - Super Bowl V for the Cowboys and Super Bowl XII for the Broncos. 2) Kurt Warner - Super Bowls XXXIV and XXXVI for the Rams and Super Bowl XLIII for the Cardinals.
Patriots and Vikings
Don Shula and Mike Holgrem have both taken two different teams to the Super Bowl.