| # | Dove’s Guide Entry | Grid Ref
 | Map |
|---|
| 10151 | Onecote, Staffordshire, S Luke.
1 (chime). | SK048551 | Map |
| 10152 | Onehouse, Suffolk, S John Bapt.
2 (chime), 2¾ cwt (~140 kg). Round tower. | TM016593 | Map |
| 10153 | Onibury, Shropshire, S Michael & All Angels.
4 U/R (full-circle ring), 5¾ cwt (~290 kg) in C♯. Unringable; tuning: (approx) 2,4-6 of 8. | SO455791 | Map |
| 10154 | Openshaw, Greater Manchester, S Barnabas.
1 (chime), 1–0–24 (62 kg) in A♯. | SJ876975 | Map |
| 10155 | Openwoodgate, Derbyshire, S Mark.
1 (chime). | SK369473 | Map |
| 10156 | Orange, New South Wales, Australia, Holy Trinity.
8 (full-circle ring), 6–3–15 (350 kg) in B♭. Tue (confirm first) 18:00. | | Map |
| 10157 | Orby, Lincolnshire, All Saints (GF, T).
3 (full-circle ring), 8–0–20 (415 kg) in A. Tuning: 1,3,4 of 4. | TF490672 | Map |
| 10158 | Orchard Portman, Somerset, S Michael.
4 (full-circle ring), 5 cwt (~250 kg) in B. | ST243216 | Map |
| 10159 | Orchardleigh, Somerset, The Blessed Virgin Mary.
1 (chime), in D. | ST773509 | Map |
| 10160 | Orcheston, Wiltshire, S George (GF).
4 (full-circle ring), 7 cwt (~360 kg) in A. No mains electricity. | SU059448 | Map |
| 10161 | Orcheston, Wiltshire, S Mary (GF).
3 (full-circle ring), 7–1–25 (380 kg) in B♭. | SU058456 | Map |
| 10162 | Orcop, Herefordshire, S John Bapt (GF).
5 (full-circle ring), 7½ cwt (~380 kg) in A♯. Tuning: 1-4,5♯ of 5. | SO473262 | Map |
| 10163 | Ordsall, Greater Manchester, S Clement.
1 (chime), 4–3–4 (243 kg) in C♯. | SJ817973 | Map |
| 10164 | Ordsall, Greater Manchester, S Ignatius Centre (formerly S Ignatius).
1 U/R (full-circle ring), 9–0–6 (460 kg) in A. Unringable. | SJ818977 | Map |
| 10165 | Ordsall, Nottinghamshire, All Hallows (T).
6 (full-circle ring), 6–2–22 (340 kg) in A. Tue. | SK704797 | Map |
| 10166 | Ore, East Sussex, Christ Church.
1 (chime). | TQ836113 | Map |
| 10167 | Ore, East Sussex, S Barnabas.
1 (chime). | TQ825114 | Map |
| 10168 | Ore, East Sussex, S Helen.
1 (chime). | TQ820123 | Map |
| 10169 | Oreston, Devon, Good Shepherd.
1 (chime). | SX499533 | Map |
| 10170 | Orford, Cheshire, S Andrew.
1 (chime), 5–0–14 (260 kg). | SJ612912 | Map |
| 10171 | Orford, Cheshire, S Margaret.
1 (chime), 4–3–5 (244 kg) in D. | SJ615900 | Map |
| 10172 | Orford, Suffolk, S Bartholomew.
8 (full-circle ring), 10–2–27 (546 kg) in G. | TM422499 | Map |
| 10173 | Orleans, Massachusetts, United States of America, The Transfiguration (GF, T).
10 (full-circle ring), 21–2–23 (1103 kg) in E♭. Detached tower. | | Map |
| 10174 | Orlestone, Kent, S Mary (GF).
3 (full-circle ring), 5 cwt (~300 kg) in C. Anticlockwise. | TR000346 | Map |
| 10175 | Orleton, Herefordshire, S George.
3 U/R (full-circle ring), 8½ cwt (~430 kg). Unringable: modified for chiming only but ringing fittings remain in tower. | SO494671 | Map |
| 10176 | Orlingbury, Northamptonshire, S Mary.
6 (full-circle ring), 10–2–18 (542 kg) in F. Tue. | SP859723 | Map |
| 10177 | Ormesby, North Yorkshire, S Cuthbert (T).
8 (full-circle ring), 18–0–14 (921 kg) in E. Wed. | NZ530167 | Map |
| 10178 | Ormesby St Margaret, Norfolk, S Margaret.
1 (chime). | TG498145 | Map |
| 10179 | Ormesby St Michael, Norfolk, S Michael.
5 (chime), 7–3–20 (403 kg) in G. Ellacombe apparatus. | TG480148 | Map |
| 10180 | Ormskirk, Lancashire, S Peter & S Paul.
8 (full-circle ring), 21–1–26 (1091 kg) in E♭. In the tower. Tue (3rd, 4th, 5th: 1st & 2nd are at Aughton, Christ Church). | SD412084 | Map |
| 10181 | Ormskirk, Lancashire, S Peter & S Paul.
1 (display bells). In the church. | SD412084 | Map |
| 10182 | Orpington, Greater London, All Saints.
1 U/R (full-circle ring), 5 cwt (~250 kg). Unringable. | TQ466664 | Map |
| 10183 | Orpington, Greater London, Christ Church.
1 (chime). | TQ468649 | Map |
| 10184 | Orrell, Greater Manchester, S Luke.
1 (chime), 2–3–14 (146 kg). | SD530038 | Map |
| 10185 | Orsett, Essex, S Giles & All Saints (T).
6 (full-circle ring), 10–2–12 (539 kg) in A♭. Thu 20:00. | TQ644819 | Map |
| 10186 | Orston, Nottinghamshire, S Mary (GF, T).
6 (full-circle ring), 9–1–18 (478 kg) in A♭. Ringing currently not permitted. | SK769411 | Map |
| 10187 | Orton, Cumbria, All Saints (T).
8 (full-circle ring), 12–3–13 (654 kg) in F♯. Sat (2nd) 10:00. | NY622083 | Map |
| 10188 | Orton, Northamptonshire, All Saints.
1 (full-circle ring), 1–1–0 (64 kg). | SP805794 | Map |
| 10189 | Orton Longueville, Cambridgeshire, Holy Trinity.
2 (chime). | TL168965 | Map |
| 10190 | Orton on the Hill, Leicestershire, S Edith of Polesworth (S, T).
6 (full-circle ring), 8–2–0 (432 kg) in A♭. Mon (4th). | SK304039 | Map |
| 10191 | Orton Waterville, Cambridgeshire, S Mary (GF).
4 (full-circle ring), 8–0–12 (412 kg) in B. Ropes fall in sequence: 1,4,2,3; tuning: 1-4 of 5. | TL156960 | Map |
| 10192 | Orwell, Cambridgeshire, S Andrew (GF).
8 (full-circle ring), 11–0–7 (562 kg) in F♯. | TL362505 | Map |
| 10193 | Osbaldwick, North Yorkshire, S Thomas.
2 (chime). | SE635518 | Map |
| 10194 | Osbournby, Lincolnshire, S Peter & S Paul.
3 U/R (full-circle ring), 8½ cwt (~430 kg). Bells not hung; unringable. | TF069381 | Map |
| 10195 | Osgathorpe, Leicestershire, S Mary V.
2 (chime), 9–3–26 (507 kg) in G. | SK431195 | Map |
| 10196 | Osmaston, Derbyshire, S Martin.
6 (full-circle ring), 15–3–19 (809 kg) in F. Thu (2nd, 4th). | SK199440 | Map |
| 10197 | Osmington, Dorset, S Osmond.
4 (chime), 9 cwt (~460 kg) in A. | SY724829 | Map |
| 10198 | Osmondthorpe, West Yorkshire, S Philip.
1 (chime), 2–0–4 (103 kg) in G. | SE331337 | Map |
| 10199 | Osmotherley, North Yorkshire, S Peter (GF, T).
4 (chime), 6–2–13 (336 kg) in B♭. | SE455971 | Map |
| 10200 | Osmotherly, Cumbria, S John.
1 (chime). | SD278821 | Map |