Angeline Koo Haai Yen (Chinese: 古海燕; pinyin: Gǔ Hǎiyàn; born 1974) is a Malaysian politician who has served as Member of the Perak State Legislative Assembly (MLA) for Keranji since November 2022.
She is a member of the Democratic Action Party (DAP), a component party of the Pakatan Harapan (PH) coalition.
She was Member of the Kampar District Council (MDKpr), Special Assistant to Keranji MLA Chong Zhemin and a director of a listed company.
[1] In the 2022 Perak state election, Koo made her electoral debut after being nominated by PH to contest for the Keranji state seat.
[2] Koo won the seat and was elected to the Perak State Legislative Assembly as the Keranji MLA after defeating Ng Wah Leng of Barisan Nasional (BN), Foong Kar Sing of Perikatan Nasional (PN) and Puah Chee Haur of the Heritage Party (WARISAN) by a majority of 8,749 votes.