Brenda Yeoh Saw Ai FBA (Chinese: 杨淑爱) is a Singaporean academic and geographer,^[1][2] currently serving as Raffles Professor of Social Sciences at the National University of Singapore.^[1]

In 1985, Yeoh received a Bachelor of Arts in geography from the University of Cambridge, earning a first class honours degree. She went on to read a Diploma in Education from the Institute of Education before completing a stint as a teacher at Victoria Junior College. After leaving the teaching service, she read a DPhil in geography from the University of Oxford, and joined the National University of Singapore as an academic.^[3] She joined NUS as a senior tutor in 1987, was made full professor in 2005, and served as the Dean of the Faculty of Arts and Social Sciences from 2010–2016.^[4]

In 2000, she received a Fulbright Program scholarship to study at the University of California, Berkeley.

Yeoh is editor of the journal Asian Population Studies and a member of the International Geographical Union’s Population Geography Commission.^[2]

In 2021, Yeoh received the Vautrin Lud Prize "for her contributions to migration and transnationalism studies".^[1] The award is one of the highest honours presented for developments in geography, and widely considered the 'Nobel Prize in Geography'. In the same year she was elected a corresponding fellow of the British Academy.^[5]