Oman Arab Bank (Arabic: بنك عمان العربي‎) is a commercial bank in Oman, established in 1984. It is jointly owned by Arab Bank plc (49%), Oman International Development and Investment Company SAOG (31.63%) and other individual or corporate shareholders (19.37%).

Oman Arab Bank operates in the retail banking, corporate banking, project finance, investment banking, trade finance and Islamic banking sector.

In 2014, the bank launched its digital transformation strategy, enhancing its banking channels and services by employing the state-of-the-art technologies, promoting a culture of innovation and talent management, as well as providing added-value services through strategic partnerships.

Oman Arab Bank has acquired 100% of Alizz Islamic Bank in June 2020 and merged its Al Yusr Islamic Banking window with Alizz Islamic Bank.

On July 6, 2020, Oman Arab Bank was transformed from a closed to a public joint stock company, with its shares listed on the Muscat Securities Market (MSM).