Sim Ann (Chinese: 沈颖; pinyin: Shěn Yíng; born 1975) is a Singaporean politician and former civil servant who has been serving as Senior Minister of State for National Development since 2020 and Senior Minister of State for Foreign Affairs since 2021. A member of the governing People's Action Party (PAP), she has been the Member of Parliament (MP) representing the Bukit Timah division of Holland–Bukit Timah GRC since 2011. She has also been serving as the party's Deputy Party Whip since 2019.