| # | Dove’s Guide Entry | Grid Ref
 | Map |
|---|
| 10051 | Oborne, Dorset, S Cuthbert New Church.
1 (chime), 1–1–18 (72 kg) in A. | ST653185 | Map |
| 10052 | Oborne, Dorset, S Cuthbert Old Church.
1 (chime), ¾ cwt (~40 kg) in E. | ST653178 | Map |
| 10053 | Occold, Suffolk, S Michael (GF).
5 U/R (full-circle ring), 8 cwt (~410 kg) in A. One bell (or more) cracked or broken; unringable. | TM155708 | Map |
| 10054 | Ockbrook, Derbyshire, All Saints.
6 (full-circle ring), 5–1–26 (279 kg) in A. County books / DBR info discrepant. Thu. | SK423357 | Map |
| 10055 | Ockford Ridge, Surrey, S Mark.
1 (chime). | SU957433 | Map |
| 10056 | Ockham, Surrey, All Saints (T).
6 (full-circle ring), 7 cwt (~360 kg) in B. Thu. | TQ066565 | Map |
| 10057 | Ockley, Surrey, former ch of S John Ev.
1 (chime). Church closed 1980 (converted into residential housing). | TQ144399 | Map |
| 10058 | Ockley, Surrey, S Margaret (GF, T).
6 (full-circle ring), 13–2–4 (688 kg) in F♯. Wed (1st, 3rd). | TQ156406 | Map |
| 10059 | Ocle Pychard, Herefordshire, S James Gt.
3 U/R (full-circle ring), 8 cwt (~410 kg) in A. Unringable; tuning: 1,3,4 of 4. | SO595462 | Map |
| 10060 | Odcombe, Somerset, S Peter & S Paul.
6 (full-circle ring), 11–3–17 (605 kg) in F♯. Fri. | ST506154 | Map |
| 10061 | Odd Rode, Cheshire, All Saints.
2 (chime), 2–1–13 (120 kg). | SJ824574 | Map |
| 10062 | Oddingley, Worcestershire, S James.
3 (chime), 5¼ cwt (~270 kg) in B. Tuning: (approx) 1,3,4 of 4. | SO914590 | Map |
| 10063 | Oddington, Gloucestershire, Holy Ascension.
2 (chime), 0–3–21 (48 kg). | SP229259 | Map |
| 10064 | Oddington, Gloucestershire, S Nicholas (GF).
6 (full-circle ring), 9–2–20 (492 kg) in G. No mains electricity. | SP234255 | Map |
| 10065 | Oddington, Oxfordshire, S Andrew.
3 (chime), 9 cwt (~460 kg) in A♭. | SP552147 | Map |
| 10066 | Odell, Bedfordshire, All Saints.
6 (full-circle ring), 13–1–8 (677 kg) in F♯. Mon. | SP966580 | Map |
| 10067 | Odiham, Hampshire, All Saints (GF, T).
6 (full-circle ring), 12–1–11 (627 kg) in F. Wed. | SU740509 | Map |
| 10068 | Odstock, Wiltshire, S Mary (GF).
3 U/R (full-circle ring), 8 cwt (~410 kg) in B♭. Unringable; ropes fall in a straight line; tuning: 1,2♯,3 of 3. | SU151261 | Map |
| 10069 | Offchurch, Warwickshire, S Gregory.
6 (full-circle ring), 13–3–26 (710 kg) in E. | SP358656 | Map |
| 10070 | Offenham, Worcestershire, S Mary & S Milburgh (GF, S, T).
6 (full-circle ring), 10–3–2 (547 kg) in F♯. Tue 19:00. | SP053462 | Map |
| 10071 | Offerton, Greater Manchester, S Alban.
1 (chime). | SJ911896 | Map |
| 10072 | Offerton, Greater Manchester, S John.
1 (chime). | SJ922889 | Map |
| 10073 | Offham, East Sussex, S Peter.
1 (chime), in C♯. | TQ400121 | Map |
| 10074 | Offham, Kent, S Michael.
3 (chime), 6–1–15 (324 kg) in G. | TQ660580 | Map |
| 10075 | Offley, Hertfordshire, S Mary Magd (GF).
6 (full-circle ring), 14–3–20 (758 kg) in F. | TL145268 | Map |
| 10076 | Offord Cluny, Cambridgeshire, All Saints.
4 U/R (full-circle ring), 9–1–1 (470 kg) in A. Unringable. | TL218670 | Map |
| 10077 | Offord D'Arcy, Cambridgeshire, S Peter (GF).
3 U/R (full-circle ring), 11 cwt (~560 kg). Bell not hung: 1; unringable. | TL216664 | Map |
| 10078 | Offton, Suffolk, S Mary (GF, T).
8 (full-circle ring), 8–1–18 (427 kg) in A. Tue. | TM066496 | Map |
| 10079 | Offwell, Devon, S Mary V.
6 (full-circle ring), 7–3–9 (398 kg) in A♭. | SY194995 | Map |
| 10080 | Ogbourne St Andrew, Wiltshire, S Andrew (GF).
5 (full-circle ring), 15 cwt (~800 kg) in F. | SU188723 | Map |
| 10081 | Ogbourne St George, Wiltshire, S George (T).
5 (full-circle ring), 18–2–7 (943 kg) in E♭. Thu. | SU195746 | Map |
| 10082 | Okeford Fitzpaine, Dorset, S Andrew.
6 (full-circle ring), 10–3–4 (548 kg) in G. Wed 19:00. | ST807108 | Map |
| 10083 | Okehampton, Devon, All Saints.
8 (full-circle ring), 16–2–13 (844 kg) in F. | SX581951 | Map |
| 10084 | Okehampton, Devon, S James.
4 (clock chime), 3–0–2 (153 kg) in F. | SX588952 | Map |
| 10085 | Okeover, Staffordshire, All Saints.
1 (chime), 10½ cwt (~530 kg). | SK158481 | Map |
| 10086 | Okewood Hill, Surrey, S John Bapt.
1 (chime), ½ cwt (~30 kg). | TQ127380 | Map |
| 10087 | Old, Northamptonshire, S Andrew (GF, T).
5 U/R (full-circle ring), 12 cwt (~610 kg) in F♯. Unringable. | SP785731 | Map |
| 10088 | Old Alresford, Hampshire, S Mary.
6 (full-circle ring), 10–0–9 (512 kg) in G. ART Teaching Centre: Alresford School of Bell Ringing. Mon (2nd: check). | SU587336 | Map |
| 10089 | Old Basing, Hampshire, S Mary.
2 (chime), 5⅛ cwt (~260 kg) in D. | SU665529 | Map |
| 10090 | Old Bewick, Northumberland, Holy Trinity.
2 (chime). | NU068221 | Map |
| 10091 | Old Bewick, Northumberland, Holy Trinity.
1 (display bells). | NU068221 | Map |
| 10092 | Old Bolingbroke, Lincolnshire, S Peter & S Paul (GF).
6 (full-circle ring), 12–2–23 (645 kg) in F♯. Wed 18:30. | TF349651 | Map |
| 10093 | Old Brampton, Derbyshire, S Peter & S Paul (S, T).
6 (full-circle ring), 12–0–9 (614 kg) in A♭. Mon. | SK336719 | Map |
| 10094 | Old Buckenham, Norfolk, All Saints.
6 (chime), 8–2–0 (432 kg). Ellacombe apparatus. | TM067914 | Map |
| 10095 | Old Burghclere, Hampshire, All Saints.
1 (chime), in B. | SU468578 | Map |
| 10096 | Old Byland, North Yorkshire, All Saints.
2 (chime), 2–1–12 (120 kg) in E♭. | SE550859 | Map |
| 10097 | Old Catton, Norfolk, S Margaret.
1 (chime), 6–3–2 (344 kg) in B. Round tower. | TG230123 | Map |
| 10098 | Old Clee, Lincolnshire, Christ Church.
1 (chime). | TA300091 | Map |
| 10099 | Old Clee, Lincolnshire, Holy Trinity & S Mary V (GF, T).
3 (full-circle ring), 13–0–11 (665 kg) in F. | TA289084 | Map |
| 10100 | Old Cleeve, Somerset, S Andrew.
8 (full-circle ring), 18–1–6 (930 kg) in F. Mon 14:00. | ST040419 | Map |