ODQ or Odq may refer to:
- Odq, Zero–direct–quadrature
- ODQ, Ordre des dentistes du Québec
- The Oxford Dictionary of Quotations
- 1H-(1,2,4)Oxadiazolo(4,3-a)quinoxalin-1-one, an inhibitor of nitric oxide receptor soluble guanylyl cyclase
ODQ or Odq may refer to: