Matsu

Matsu may refer to:

• Mazu, or Matsu, a sea goddess in Chinese folk religion
• Matsu-class destroyer, a series of Japanese warships
• Matsu Islands (Lienchiang County), Fujian, Republic of China (Taiwan)
• Matsu Beigan Airport
• Matsushima (Matsu Islands), in Miyagi Prefecture, Japan
• Japanese ship Matsu, several ships
• Matsu (Sekirei), a character in the Sekirei manga and anime
• Japanese pine (まつ, 松), matsu in Japanese

• Matanuska-Susitna Valley (Mat-Su Valley, an area in South Central Alaska)
• Matanuska-Susitna Borough (Mat-Su Borough), a borough of Alaska
• Mazu (disambiguation), Chinese origin of matsu
• Open Commons Consortium (Project Matsu), imaging process project for human assisted disaster relief named after the goddess