Kelai may refer to:
- Kelai River, river in Borneo, Indonesia
- John Kelai (born 1976), Kenyan long-distance runner
See also
edit- Kalayeh, Rudbar, Iranian village, also known as Kelā’ī
- Punan Kelai language, also known as Segai, Austronesian language, spoken in several communities along the Kelai River