- Haggai, Aggeus - a Hebrew minor prophet
--1 is a kind of prophet
- Haggai, Aggeus, Book of Haggai - an Old Testament book telling the prophecies of Haggai which are concerned mainly with rebuilding the temples after the Babylonian Captivity
--2 is a kind of book
--2 is a part of Prophets, Nebiim; Old Testament