Oxfordshire (, OKS-fahd-shər, -sheer, kaancengang Oxon) inggih punika county sérémonial ring Inggris Kelod Kangin. County puniki mawatesan sareng Northamptonshire lan Warwickshire sikalér, Buckinghamshire sikangin, Berkshire sikelod, lan Wiltshire taler Gloucestershire sikauh. Paumahan pinih ageng ipun ring kota Oxford.