Chagai, town, W Pakistan, near the border with Afghanistan, on the trade route to Afghanistan and Iran. Pastoral Baluchi and Brahui inhabit the region, which is noted for its Oriental alabaster and other ornamental stones. British forces occupied Chagai in 1897.

Chagai can be:

• Haggai (Hebrew: חַגַּי, Chaggai), an Israelite prophet and the author of the Book of Haggai
• In Pakistan:
• Chagai District
• Chagai Hills
• The town of Chagai, Pakistan