Tamang (Nepali:तामाङ) is a Nepalese surname.
Notable people with the surname include:
- Robin Tamang, Nepalese musician, and actor
- Binay Tamang, Indian politician, chairman of the Gorkhaland Territorial Administration (GTA)
- Buddhi Tamang, Nepalese actor
- Prashant Tamang, Indian singer
- Madan Tamang, Indian politician
- Devendra Tamang, Nepalese footballer
- Anju Tamang, Indian footballer
- Ananta Tamang, Nepalese footballer
- Prem Singh Tamang, Indian politician, founder of the Sikkim Krantikari Morcha (SKM)
- Shambu Tamang, Nepalese climber
- Bimala Tamang, Nepalese female karateka
- Ratnajit Tamang, Nepalese badminton player