|
# | Tower | Bell | Weight | Note | Diameter | Cast | Founder |
| 29301 | Orchard Portman, Somerset, S Michael | 3 of 4 | 4 cwt | C♯ | 28.00″ | 1657† | William III & Richard II Purdue |
| 29302 | Orchard Portman, Somerset, S Michael | 4 of 4 | 5 cwt | B | 30.00″ | 1892 | Llewellins & James |
| 29303 | Orcheston, Wiltshire, S George | 1 of 4 | | D | 26.00″ | 1896 | John Warner & Sons |
| 29304 | Orcheston, Wiltshire, S George | 2 of 4 | | C♯ | 27.13″ | 1615 | John Wallis |
| 29305 | Orcheston, Wiltshire, S George | 3 of 4 | | B | 30.25″ | c1400† | Salisbury foundry |
| 29306 | Orcheston, Wiltshire, S George | 4 of 4 | 7 cwt | A | 33.00″ | 1896 | John Warner & Sons |
| 29307 | Orcheston, Wiltshire, S Mary | 1 of 3 | 3–3–6 | D | 27.50″ | 1916 | John Taylor & Co |
| 29308 | Orcheston, Wiltshire, S Mary | 2 of 3 | 5–0–2 | C | 30.63″ | 1916 | John Taylor & Co |
| 29309 | Orcheston, Wiltshire, S Mary | 3 of 3 | 7–1–25 | B♭ | 34.50″ | 1916 | John Taylor & Co |
| 29310 | Orcop, Herefordshire, S John Bapt | 1 of 5 | 4½ cwt | E | 27.00″ | 1907 | James Barwell & Co |
| 29311 | Orcop, Herefordshire, S John Bapt | 2 of 5 | 4 cwt | D | 26.75″ | 1663† | John I Pennington ('IP') |
| 29312 | Orcop, Herefordshire, S John Bapt | 3 of 5 | 5¾ cwt | C♯ | 30.50″ | 1731 | Abraham II Rudhall |
| 29313 | Orcop, Herefordshire, S John Bapt | 4 of 5 | 5¼ cwt | B | 31.50″ | 1663† | John I Pennington ('IP') |
| 29314 | Orcop, Herefordshire, S John Bapt | 5 of 5 | 7½ cwt | A♯ | 34.25″ | 1679† | ? John II Pennington ('IP') |
| 29315 | Ordsall, Nottinghamshire, All Hallows | 1 of 6 | 3–1–12 | F♯ | 24.50″ | 1892 | John Taylor & Co |
| 29316 | Ordsall, Nottinghamshire, All Hallows | 2 of 6 | 4–1–6 | E | 26.50″ | 1892 | John Taylor & Co |
| 29317 | Ordsall, Nottinghamshire, All Hallows | 3 of 6 | 5–0–0 | D | 28.50″ | 1892 | John Taylor & Co |
| 29318 | Ordsall, Nottinghamshire, All Hallows | 4 of 6 | 5–1–9 | C♯ | 29.50″ | 1892 | John Taylor & Co |
| 29319 | Ordsall, Nottinghamshire, All Hallows | 5 of 6 | 5–2–10 | B | 31.63″ | 1743 | Daniel Hedderly |
| 29320 | Ordsall, Nottinghamshire, All Hallows | 6 of 6 | 6–2–22 | A | 34.50″ | 1661 | George I Oldfield |
| 29321 | Orford, Suffolk, S Bartholomew | 1 of 8 | 3–1–26 | G | 24.60″ | 1998 | Eijsbouts |
| 29322 | Orford, Suffolk, S Bartholomew | 2 of 8 | 3–2–22 | F♯ | 25.20″ | 1998 | Eijsbouts |
| 29323 | Orford, Suffolk, S Bartholomew | 3 of 8 | 4–0–3 | E | 26.60″ | 1998 | Eijsbouts |
| 29324 | Orford, Suffolk, S Bartholomew | 4 of 8 | 4–1–24 | D | 28.00″ | 1998 | Eijsbouts |
| 29325 | Orford, Suffolk, S Bartholomew | 5 of 8 | 6–1–10 | C | 31.50″ | 1639 | Miles II Graye |
| 29326 | Orford, Suffolk, S Bartholomew | 6 of 8 | 6–3–13 | B | 32.50″ | 1694 | Henry Pleasant |
| 29327 | Orford, Suffolk, S Bartholomew | 7 of 8 | 7–2–8 | A | 35.25″ | 1679 | John Darbie |
| 29328 | Orford, Suffolk, S Bartholomew | 8 of 8 | 10–2–27 | G | 39.50″ | 1679 | John Darbie |
| 29329 | Orleans, Massachusetts, United States of America, The Transfiguration | 1 of 10 | 5–0–25 | G | 27.00″ | 2008 | Whitechapel Bell Foundry |
| 29330 | Orleans, Massachusetts, United States of America, The Transfiguration | 2 of 10 | 5–1–1 | F | 28.00″ | 2008 | Whitechapel Bell Foundry |
| 29331 | Orleans, Massachusetts, United States of America, The Transfiguration | 3 of 10 | 5–2–11 | E♭ | 29.50″ | 2008 | Whitechapel Bell Foundry |
| 29332 | Orleans, Massachusetts, United States of America, The Transfiguration | 4 of 10 | 6–0–8 | D | 30.25″ | 2008 | Whitechapel Bell Foundry |
| 29333 | Orleans, Massachusetts, United States of America, The Transfiguration | 5 of 10 | 6–1–16 | C | 31.75″ | 2008 | Whitechapel Bell Foundry |
| 29334 | Orleans, Massachusetts, United States of America, The Transfiguration | 6 of 10 | 7–1–16 | B♭ | 34.00″ | 2008 | Whitechapel Bell Foundry |
| 29335 | Orleans, Massachusetts, United States of America, The Transfiguration | 7 of 10 | 9–1–24 | A♭ | 37.00″ | 2008 | Whitechapel Bell Foundry |
| 29336 | Orleans, Massachusetts, United States of America, The Transfiguration | 8 of 10 | 10–3–3 | G | 39.00″ | 2008 | Whitechapel Bell Foundry |
| 29337 | Orleans, Massachusetts, United States of America, The Transfiguration | 9 of 10 | 15–1–8 | F | 43.75″ | 2008 | Whitechapel Bell Foundry |
| 29338 | Orleans, Massachusetts, United States of America, The Transfiguration | 10 of 10 | 21–2–23 | E♭ | 49.00″ | 2008 | Whitechapel Bell Foundry |
| 29339 | Orlestone, Kent, S Mary | 1 of 3 | 2¾ cwt | E | 25.00″ | 1631 | John Wilnar |
| 29340 | Orlestone, Kent, S Mary | 2 of 3 | 3¾ cwt | D | 27.14″ | 1635 | John Wilnar |
| 29341 | Orlestone, Kent, S Mary | 3 of 3 | 5 cwt | C | 29.60″ | 1591† | John Cole |
| 29342 | Orleton, Herefordshire, S George | 1 of 3 | | | 29.38″ | 1639 | John II Green |
| 29343 | Orleton, Herefordshire, S George | 2 of 3 | | | 32.00″ | 1668 | John II Martin |
| 29344 | Orleton, Herefordshire, S George | 3 of 3 | 8½ cwt | | 36.63″ | 1665 | John II Martin |
| 29345 | Orlingbury, Northamptonshire, S Mary | 1 of 6 | 5–2–8 | D | 29.50″ | 1993 | John Taylor Bellfounders Ltd |
| 29346 | Orlingbury, Northamptonshire, S Mary | 2 of 6 | 4–3–26 | C | 31.38″ | 1843 | Thomas II Mears |
| 29347 | Orlingbury, Northamptonshire, S Mary | 3 of 6 | 6–0–10 | B♭ | 33.50″ | 1843 | Thomas II Mears |
| 29348 | Orlingbury, Northamptonshire, S Mary | 4 of 6 | 7–2–15 | A | 34.38″ | 2000 | John Taylor Bellfounders Ltd |
| 29349 | Orlingbury, Northamptonshire, S Mary | 5 of 6 | 8–0–12 | G | 37.00″ | 1919 | Gillett & Johnston |
| 29350 | Orlingbury, Northamptonshire, S Mary | 6 of 6 | 10–2–18 | F | 42.25″ | 1843 | Thomas II Mears |