Tahri may refer to

• Tahri (dish), a yellow rice dish in Awadhi cuisine
• Bouabdellah Tahri (born 1978), runner of Algerian descent
• Jihan El-Tahri, writer, director and producer of documentary films from Lebanon

• Castelnuovo surface
• Castelnuovo, Trento
• Castelnuovo – de Franchis theorem
• Castelnuovo–Mumford regularity
• Castelo Branco
• Castelo branco cheese
• Castelo Branco (cheese)
• Castelo Branco (district)
• Castelo Branco Parish
• Castelo Branco Polytechnic
• Castelo Branco Polytechnical Institute
• Castelo Branco Polytechnic Institute
• Castelo Branco, Portugal
• Castelo da Feira
• Castelo da maia
• Castelo da Maia Ginasio Clube
• Castelo de Amieira
• Castelo de Amieira do Tejo
• Castelo de Ansiães
• Castelo de Belver
• Castelo de Campo Maior
• Castelo de Carrazeda de Ansiães
• Castelo de Castelo Rodrigo
• Castelo de Elvas
• Castelo de Leiria