|
# | Tower | Bell | Weight | Note | Diameter | Cast | Founder |
| 41701 | Orford, Suffolk, S Bartholomew | 7 of 8 | 7–2–8 | A | 35.25″ | 1679 | John Darbie |
| 41702 | Orford, Suffolk, S Bartholomew | 8 of 8 | 10–2–27 | G | 39.50″ | 1679 | John Darbie |
| 41703 | Orford, Suffolk, S Bartholomew | Clock | 14–2–21 | F | 44.25″ | 1739 | Thomas Gardiner |
| 41704 | Orleans, Massachusetts, United States of America, The Transfiguration | 1 of 10 | 5–0–25 | G | 27.00″ | 2008 | Whitechapel Bell Foundry |
| 41705 | Orleans, Massachusetts, United States of America, The Transfiguration | 2 of 10 | 5–1–1 | F | 28.00″ | 2008 | Whitechapel Bell Foundry |
| 41706 | Orleans, Massachusetts, United States of America, The Transfiguration | 3 of 10 | 5–2–11 | E♭ | 29.50″ | 2008 | Whitechapel Bell Foundry |
| 41707 | Orleans, Massachusetts, United States of America, The Transfiguration | 4 of 10 | 6–0–8 | D | 30.25″ | 2008 | Whitechapel Bell Foundry |
| 41708 | Orleans, Massachusetts, United States of America, The Transfiguration | 5 of 10 | 6–1–16 | C | 31.75″ | 2008 | Whitechapel Bell Foundry |
| 41709 | Orleans, Massachusetts, United States of America, The Transfiguration | 6 of 10 | 7–1–16 | B♭ | 34.00″ | 2008 | Whitechapel Bell Foundry |
| 41710 | Orleans, Massachusetts, United States of America, The Transfiguration | 7 of 10 | 9–1–24 | A♭ | 37.00″ | 2008 | Whitechapel Bell Foundry |
| 41711 | Orleans, Massachusetts, United States of America, The Transfiguration | 8 of 10 | 10–3–3 | G | 39.00″ | 2008 | Whitechapel Bell Foundry |
| 41712 | Orleans, Massachusetts, United States of America, The Transfiguration | 9 of 10 | 15–1–8 | F | 43.75″ | 2008 | Whitechapel Bell Foundry |
| 41713 | Orleans, Massachusetts, United States of America, The Transfiguration | 10 of 10 | 21–2–23 | E♭ | 49.00″ | 2008 | Whitechapel Bell Foundry |
| 41714 | Orlestone, Kent, S Mary | 1 of 3 | 2¾ cwt | E | 25.00″ | 1631 | John Wilnar |
| 41715 | Orlestone, Kent, S Mary | 2 of 3 | 3¾ cwt | D | 27.14″ | 1635 | John Wilnar |
| 41716 | Orlestone, Kent, S Mary | 3 of 3 | 5 cwt | C | 29.60″ | 1591† | John Cole |
| 41717 | Orleton, Herefordshire, S George | 1 of 3 | | | 29.38″ | 1639 | John II Green |
| 41718 | Orleton, Herefordshire, S George | 2 of 3 | | | 32.00″ | 1668 | John II Martin |
| 41719 | Orleton, Herefordshire, S George | 3 of 3 | 8½ cwt | | 36.63″ | 1665 | John II Martin |
| 41720 | Orlingbury, Northamptonshire, S Mary | 1 of 6 | 5–2–8 | D | 29.50″ | 1993 | John Taylor Bellfounders Ltd |
| 41721 | Orlingbury, Northamptonshire, S Mary | 2 of 6 | 4–3–26 | C | 31.38″ | 1843 | Thomas II Mears |
| 41722 | Orlingbury, Northamptonshire, S Mary | 3 of 6 | 6–0–10 | B♭ | 33.50″ | 1843 | Thomas II Mears |
| 41723 | Orlingbury, Northamptonshire, S Mary | 4 of 6 | 7–2–15 | A | 34.38″ | 2000 | John Taylor Bellfounders Ltd |
| 41724 | Orlingbury, Northamptonshire, S Mary | 5 of 6 | 8–0–12 | G | 37.00″ | 1919 | Gillett & Johnston |
| 41725 | Orlingbury, Northamptonshire, S Mary | 6 of 6 | 10–2–18 | F | 42.25″ | 1843 | Thomas II Mears |
| 41726 | Ormesby, North Yorkshire, S Cuthbert | 1 of 8 | 5–0–1 | E | 27.38″ | (1908) | John Taylor & Co |
| 41727 | Ormesby, North Yorkshire, S Cuthbert | 2 of 8 | 5–0–11 | D♯ | 28.50″ | (1908) | John Taylor & Co |
| 41728 | Ormesby, North Yorkshire, S Cuthbert | 3 of 8 | 5–2–24 | C♯ | 30.63″ | (1908) | John Taylor & Co |
| 41729 | Ormesby, North Yorkshire, S Cuthbert | 4 of 8 | 6–2–7 | B | 32.63″ | (1908) | John Taylor & Co |
| 41730 | Ormesby, North Yorkshire, S Cuthbert | 5 of 8 | 7–3–17 | A | 35.63″ | (1908) | John Taylor & Co |
| 41731 | Ormesby, North Yorkshire, S Cuthbert | 6 of 8 | 9–1–6 | G♯ | 37.38″ | (1908) | John Taylor & Co |
| 41732 | Ormesby, North Yorkshire, S Cuthbert | 7 of 8 | 12–2–15 | F♯ | 41.63″ | (1908) | John Taylor & Co |
| 41733 | Ormesby, North Yorkshire, S Cuthbert | 8 of 8 | 18–0–14 | E | 47.00″ | (1908) | John Taylor & Co |
| 41734 | Ormesby St Margaret, Norfolk, S Margaret | 1 of chime | | | | 1842 | Thomas II Mears |
| 41735 | Ormesby St Michael, Norfolk, S Michael | 1 of chime | 4–0–16 | | 28.00″ | 1984 | Whitechapel Bell Foundry |
| 41736 | Ormesby St Michael, Norfolk, S Michael | 2 of chime | 4–1–16 | | 30.25″ | 1984 | Whitechapel Bell Foundry |
| 41737 | Ormesby St Michael, Norfolk, S Michael | 3 of chime | 5–2–2 | | 31.38″ | c1499† | Brasyers of Norwich (generic) |
| 41738 | Ormesby St Michael, Norfolk, S Michael | 4 of chime | 7–3–13 | | 34.50″ | c1499† | Brasyers of Norwich (generic) |
| 41739 | Ormesby St Michael, Norfolk, S Michael | 5 of chime | 7–3–20 | G | 35.06″ | 1616 | William Brend |
| 41740 | Ormskirk, Lancashire, S Peter & S Paul | 1 of 8 | 5–1–27 | E♭ | 29.13″ | 1948 | John Taylor & Co |
| 41741 | Ormskirk, Lancashire, S Peter & S Paul | 2 of 8 | 5–3–2 | D | 29.88″ | 1948 | John Taylor & Co |
| 41742 | Ormskirk, Lancashire, S Peter & S Paul | 3 of 8 | 6–1–15 | C | 31.56″ | 1948 | John Taylor & Co |
| 41743 | Ormskirk, Lancashire, S Peter & S Paul | 4 of 8 | 7–2–26 | B♭ | 32.13″ | 1948 | John Taylor & Co |
| 41744 | Ormskirk, Lancashire, S Peter & S Paul | 5 of 8 | 9–3–12 | A♭ | 37.13″ | 1948 | John Taylor & Co |
| 41745 | Ormskirk, Lancashire, S Peter & S Paul | 6 of 8 | 11–2–0 | G | 39.50″ | 1948 | John Taylor & Co |
| 41746 | Ormskirk, Lancashire, S Peter & S Paul | 7 of 8 | 14–2–27 | F | 43.50″ | 1948 | John Taylor & Co |
| 41747 | Ormskirk, Lancashire, S Peter & S Paul | 8 of 8 | 21–1–26 | E♭ | 49.06″ | 1948 | John Taylor & Co |
| 41748 | Ormskirk, Lancashire, S Peter & S Paul | 1 of display bells | | | 49.88″ | 1576† | Henry I Oldfield |
| 41749 | Ormskirk, Lancashire, S Peter & S Paul | Priest's | 1 cwt | | 17.00″ | 1716 | Ralph I Ashton |
| 41750 | Orpington, Greater London, All Saints | 1 of 1 | 5 cwt | | 29.00″ | 1813† | John Briant |