Peter Victor Ueberroth (born September 2, 1937) is an American executive. He served as the 6th commissioner of Major League Baseball from 1984 to 1989. He was recently the chairman of the United States Olympic Committee; he was replaced by Larry Probst in October 2008.

Although Ueberroth was born in Evanston, Illinois, he grew up in northern California. While attending Fremont High School, Ueberroth excelled in football, baseball, and swimming. After graduating from high school, Ueberroth attended San José State University on an athletic scholarship. While attending San José State University he joined Delta Upsilon. He competed in the 1956 United States Olympic water polo trials but failed to make the team. Ueberroth ultimately graduated from San Jose State in 1959 with a degree in business.

After college, Ueberroth became a vice president and shareholder in Trans International Airlines (he was 22 years old at the time). Ueberroth worked at Trans International until 1963, when he founded his own travel company, which would become First Travel Corporation. By the time he sold First Travel in 1980, it was the second largest travel business in North America.