Oz Blayzer is an Israeli professional basketball player for Hapoel Jerusalem of the Israeli Basketball Premier League.

Hapoel Jerusalem Basketball Club, known for sponsorship reasons as Hapoel Bank Yahav Jerusalem, is a professional basketball club based in the City of Jerusalem, Israel, and competes in the Israeli Basketball Premier League, the Israeli State Cup, and the Basketball Champions League. It has won several titles, including the ULEB Cup in 2004, the Israeli Basketball Premier League championship in 2015 and 2017, and seven state Cups. In 2013, a new ownership group took over, and the club has since seen a remarkable advancement and expansion. The team began playing in the Pais Arena in 2014.