Jerome Byron Allen (born January 28, 1973) is an NBA assistant coach for the Boston Celtics. He was head coach for the University of Pennsylvania men's basketball team until resigning after the 2014–15 season.

Allen, a 6'4" (1.93 m) 185 lb (84 kg) shooting guard from the University of Pennsylvania, was a two-time Ivy League player of the year for the Quakers. A four-year starter, he led them to Ivy League titles in each of his last three seasons (1993–95) - all with a perfect 14-0 conference mark.

He was selected 49th overall (2nd round, pick 20) by the Minnesota Timberwolves in the 1995 NBA Draft. He also briefly played with the Indiana Pacers and the Denver Nuggets, and spent time in France, Italy (with Lottomatica Roma, Carpisa Napoli and Snaidero Udine), Greece, Spain and Turkey.

In 2009, he became an assistant coach for the University of Pennsylvania's men's basketball team. On December 14, 2009, Allen was named interim head coach of the Penn men's basketball team after the firing of Glen Miller. On March 31, 2010, he was announced as the new permanent head coach of the Penn Men's Basketball team. He resigned his position as head coach effective on March 10, 2015.

as of end of 2014–15 season

      National champion         Postseason invitational champion
      Conference regular season champion         Conference regular season and conference tournament champion
      Division regular season champion       Division regular season and conference tournament champion
      Conference tournament champion

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