Ort
- Bastiaan Ort
- Channel One Russia
- Donald R. Ort
- Kaleb Ort
- Northway Airport
- ORT (TV channel)
- Ocean Racing Technology
- Ohio River Trail
- Ongoing reliability test
- Oort (disambiguation)
- Ooty Radio Telescope
- Open road tolling
- Operational acceptance testing
- Opioid replacement therapy
- Oral rehydration therapy
- Order of Railroad Telegraphers
- Organización Revolucionaria de los Trabajadores
- Ornithobacterium rhinotracheale
- Ort Wells
- Ort im Innkreis
- Orth (disambiguation)
- Oxford Round Table
- Palmer Ort
- Renewed Order of the Temple
- Schloss Ort
- World ORT