Mazu (disambiguation)
Mazu stands for:
- Mazu , a Daoist goddess
 - Mazu Township , a Chinese community in Lianjiang County
 - Mazu (Shifang) , a large Chinese community in the city of Shifang
 - Mazu Daoyi , Chinese Zen master
 
Matsu stands for
- Matsu Islands , a group of islands in China
 - Tomohiro Matsu (1972-2016), Japanese writer
 - Matsu (river) , river in Miyagi Prefecture , Japan