義安 may refer to:
Yi'an District, in Anhui, China E An, a military award given to members of the Taiping rebellion Ngee Ann, or Yi'an in Mandarin, an old name of Chaozhou Yi'an Commandery (413-590), historically an administrative subdivision of Chaozhou Ngee Ann Polytechnic (Abbreviation: NP) an institution of higher learning (IHL) in Singapore Ngee Ann City, a shopping and commercial centre in Singapore Ngee Ann Kongsi, charitable foundation located in Singapore Sun Yee On (Chinese: 新義安), or New Righteousness and Peace Commercial and Industrial Guild, one of the leading triads in Hong Kong and China
See also Yian (disambiguation) Ngee Ann (disambiguation)