Jha or JHA may refer to:

Jha Jha (surname), a Maithil Brahmin & Mahapatra Brahmin surname native. India and Nepal Jha (Indic), a glyph in the Brahmic family of scripts

JHA Job hazard analysis or job safety analysis Justice and Home Affairs, the former name for a pillar of the European Union Jacksonville Housing Authority, Florida, USA Japan Handball Association Juvenile hormone analogue