Robert Franklin Deuell, known as Bob Deuell (born 11 March 1950)
is a physician from Greenville, Texas, who was a Republican member of the Texas Senate.
He entered office in 2003 and represented the ten counties of Senate District 2 in the northeastern portion of the state.
Deuell was narrowly unseated in the runoff election held on May 27, 2014; he polled 17,930 (49.6 percent) to intraparty challenger Bob Hall's 18,230 (50.4 percent).
Deuell had led a three-candidate field in the primary on March 4, with 23,847 votes (48.5 percent).
Because he fell short of a majority, he was placed in the runoff with the number-two candidate, Bob Hall, who in the primary polled 19,085 votes (38.8 percent).
The remaining 6,240 votes (12.7 percent) went to the third candidate, Mark Thompson.