|
# | Tower | Bell | Weight | Note | Diameter | Cast | Founder |
| 28901 | Oadby, Leicestershire, S Peter | 8 of 8 | 12–3–15 | G | 40.50″ | 1901 | John Taylor & Co |
| 28902 | Oakdale, Dorset, S George | 1 of 6 | 2–1–9 | A | 21.50″ | 1989 | Whitechapel Bell Foundry |
| 28903 | Oakdale, Dorset, S George | 2 of 6 | 2–1–21 | G | 22.50″ | 1989 | Whitechapel Bell Foundry |
| 28904 | Oakdale, Dorset, S George | 3 of 6 | 2–3–16 | F | 24.25″ | 1989 | Whitechapel Bell Foundry |
| 28905 | Oakdale, Dorset, S George | 4 of 6 | 3–1–6 | E | 25.25″ | 1989 | Whitechapel Bell Foundry |
| 28906 | Oakdale, Dorset, S George | 5 of 6 | 4–1–23 | D | 28.00″ | 1989 | Whitechapel Bell Foundry |
| 28907 | Oakdale, Dorset, S George | 6 of 6 | 5–3–5 | C | 31.00″ | 1989 | Whitechapel Bell Foundry |
| 28908 | Oake, Somerset, S Bartholomew | 1 of 5 | 3–3–2 | D | 27.00″ | 1911 | John Warner & Sons |
| 28909 | Oake, Somerset, S Bartholomew | 2 of 5 | 4–1–14 | C | 29.00″ | 1911 | John Warner & Sons |
| 28910 | Oake, Somerset, S Bartholomew | 3 of 5 | 4–2–24 | B | 30.50″ | 1790 | George Davis |
| 28911 | Oake, Somerset, S Bartholomew | 4 of 5 | 6–3–10 | A | 33.50″ | 1639† | John I Lott |
| 28912 | Oake, Somerset, S Bartholomew | 5 of 5 | 8–3–8 | G | 38.00″ | 1909 | John Warner & Sons |
| 28913 | Oakford, Devon, S Peter | 1 of 8 | 4–2–4 | F♯ | 26.63″ | 1825 | Thomas II Mears |
| 28914 | Oakford, Devon, S Peter | 2 of 8 | 4–3–1 | E♯ | 27.75″ | 1825 | Thomas II Mears |
| 28915 | Oakford, Devon, S Peter | 3 of 8 | 5–1–21 | D♯ | 29.50″ | 1825 | Thomas II Mears |
| 28916 | Oakford, Devon, S Peter | 4 of 8 | 6–0–13 | C♯ | 31.13″ | 1825 | Thomas II Mears |
| 28917 | Oakford, Devon, S Peter | 5 of 8 | 6–3–10 | B | 33.38″ | 1825 | Thomas II Mears |
| 28918 | Oakford, Devon, S Peter | 6 of 8 | 7–1–7 | A♯ | 34.50″ | 1825 | Thomas II Mears |
| 28919 | Oakford, Devon, S Peter | 7 of 8 | 9–1–10 | G♯ | 38.13″ | 1825 | Thomas II Mears |
| 28920 | Oakford, Devon, S Peter | 8 of 8 | 12–1–11 | F♯ | 42.25″ | 1825 | Thomas II Mears |
| 28921 | Oakham, Rutland, All Saints | 1 of 8 | 4–3–18 | E♭ | 28.50″ | 1910 | Gillett & Johnston |
| 28922 | Oakham, Rutland, All Saints | 2 of 8 | 4–3–14 | D | 29.13″ | 1910 | Gillett & Johnston |
| 28923 | Oakham, Rutland, All Saints | 3 of 8 | 5–2–15 | C | 31.25″ | 1910 | Gillett & Johnston |
| 28924 | Oakham, Rutland, All Saints | 4 of 8 | 6–2–27 | B♭ | 33.50″ | 1910 | Gillett & Johnston |
| 28925 | Oakham, Rutland, All Saints | 5 of 8 | 8–2–15 | A♭ | 36.88″ | 1910 | Gillett & Johnston |
| 28926 | Oakham, Rutland, All Saints | 6 of 8 | 9–2–24 | G | 39.00″ | 1910 | Gillett & Johnston |
| 28927 | Oakham, Rutland, All Saints | 7 of 8 | 16–2–19 | F | 44.75″ | 1924 | Gillett & Johnston |
| 28928 | Oakham, Rutland, All Saints | 8 of 8 | 24–2–9 | E♭ | 50.88″ | 1924 | Gillett & Johnston |
| 28929 | Oakington, Cambridgeshire, S Andrew | 1 of 6 | 3–0–2 | F♯ | 23.63″ | 1978 | John Taylor & Co (Bellfounders) Ltd |
| 28930 | Oakington, Cambridgeshire, S Andrew | 2 of 6 | 3–1–21 | E | 25.38″ | 1977 | John Taylor & Co |
| 28931 | Oakington, Cambridgeshire, S Andrew | 3 of 6 | 3–3–23 | D | 27.25″ | 1655 | Miles III Graye |
| 28932 | Oakington, Cambridgeshire, S Andrew | 4 of 6 | 4–1–21 | C♯ | 29.25″ | 1748 | Joseph Eayre |
| 28933 | Oakington, Cambridgeshire, S Andrew | 5 of 6 | 4–2–22 | B | 31.00″ | 1655 | Miles III Graye |
| 28934 | Oakington, Cambridgeshire, S Andrew | 6 of 6 | 5–2–20 | A | 34.00″ | 1656 | Miles III Graye |
| 28935 | Oakley, Bedfordshire, S Mary | 1 of 6 | 4–0–4 | E | 26.63″ | 1978 | Whitechapel Bell Foundry |
| 28936 | Oakley, Bedfordshire, S Mary | 2 of 6 | 4–1–15 | D | 28.00″ | 1750 | Thomas I Eayre |
| 28937 | Oakley, Bedfordshire, S Mary | 3 of 6 | 4–0–23 | C | 29.75″ | 1711 | (unidentified) |
| 28938 | Oakley, Bedfordshire, S Mary | 4 of 6 | 6–0–7 | B | 32.00″ | 1900 | John Taylor & Co |
| 28939 | Oakley, Bedfordshire, S Mary | 5 of 6 | 6–0–22 | A | 34.37″ | 1842 | Thomas II Mears |
| 28940 | Oakley, Bedfordshire, S Mary | 6 of 6 | 10–0–2 | G | 39.00″ | 1900 | John Taylor & Co |
| 28941 | Oakley, Buckinghamshire, S Mary | 1 of 3 | 4¾ cwt | C♯ | 30.00″ | 1622 | Henry I Knight |
| 28942 | Oakley, Buckinghamshire, S Mary | 2 of 3 | 5¾ cwt | B | 32.00″ | 1621 | Henry I Knight |
| 28943 | Oakley, Buckinghamshire, S Mary | 3 of 3 | 7 cwt | A♯ | 35.13″ | 1601 | Joseph Carter |
| 28944 | Oakley, Suffolk, S Nicholas | 1 of 6 | 4–1–20 | E | 27.13″ | 1950 | Mears & Stainbank |
| 28945 | Oakley, Suffolk, S Nicholas | 2 of 6 | 5–1–0 | D | 29.25″ | 1711 | John Goldsmith |
| 28946 | Oakley, Suffolk, S Nicholas | 3 of 6 | 5–1–6 | C | 30.88″ | 1711 | John Goldsmith |
| 28947 | Oakley, Suffolk, S Nicholas | 4 of 6 | 5–3–16 | B | 31.00″ | 1958 | John Taylor & Co |
| 28948 | Oakley, Suffolk, S Nicholas | 5 of 6 | 8–0–20 | A | 35.69″ | c1400† | William Dawe |
| 28949 | Oakley, Suffolk, S Nicholas | 6 of 6 | 10–3–4 | G | 40.00″ | 1711 | John Goldsmith |
| 28950 | Oaks in Charnwood, Leicestershire, S James Greater | 1 of 8 | 2–2–2 | A♭ | 22.00″ | 1971 | John Taylor & Co |