Dr. Robert Chase is a fictional character on the Fox medical drama House. He is portrayed by Jesse Spencer. His character is a part of the team of diagnosticians who works under Gregory House until the end of third season when House fires him.Robert Chase is the longest-serving member of House’s staff. Chase has been attracted to Cameron since the beginning of the show and embarks on a relationship in "Human Error".

Chase has been portrayed to be an eager fellow of House, often supporting his opinions and carrying out his orders without question. His character is a Christian, and before becoming a doctor, he was in the Seminary. He often takes part in House’s morally questionable plans when the other members of the team have refused, showing a situational application of ethics and a flexible stance on morality. This leads to tension between Chase and Foreman, who is quick to disagree with House and prove him wrong. It is stated several times that the thing Chase cares most about is his job. When Edward Vogler begins to put pressure on House, Chase is willing to pass on information about House to Vogler in order to prevent House from firing him.