Oversea-Chinese Banking Corporation, Limited (Chinese: 華僑銀行公司; pinyin: Huáqiáo Yínháng Yǒuxiàn Gōngsī), often known as OCBC Bank (Chinese: 華僑銀行; pinyin: Huáqiáo Yínháng), is a Singaporean multinational banking and financial services corporation headquartered in OCBC Centre, Singapore. OCBC Bank was born out of the Great Depression through the consolidation of three banks in 1932 — the Chinese Commercial Bank Limited (incorporated in 1912), the Ho Hong Bank Limited (incorporated in 1917) and the Oversea-Chinese Bank Limited (incorporated in 1919).

OCBC Bank has assets of more than S$521.3 billion, making it the second largest bank in Southeast Asia by assets and among the larger banks in Asia-Pacific. It is also one of the world’s most highly-rated banks, with an Aa1 rating from Moody’s and AA- rating from Standard & Poor's.

OCBC Bank is consistently ranked amongst the top five "safest banks in the world" by the magazine Global Finance. The Asian Banker named OCBC Bank Singapore's strongest bank for 2018-2019, and the 5th strongest in Asia-Pacific. The bank's global network has grown to comprise more than 570 branches and representative offices in 18 countries and regions. These include over 320 branches and offices in Indonesia under subsidiary Bank OCBC NISP, and more than 100 branches and offices in Hong Kong, China and Macao under OCBC Wing Hang Bank. OCBC Bank was awarded World's Best Bank (Asia-Pacific) in 2019 by Global Finance Magazine.