| Tournament information | |
|---|---|
| Dates | 26–29 July 2018 |
| Location | St Andrews, Scotland 56°20′35″N 2°48′11″W / 56.343°N 2.803°W |
| Course(s) | Old Course |
| Organised by | The R&A |
| Tour(s) | |
| Format | 72 holes stroke play |
| Statistics | |
| Par | 72 |
| Length | 7,216 yd (6,598 m) |
| Field | 144 players, 72 after cut |
| Cut | 145 (+1) |
| Prize fund | US$2,000,000 |
| Champion | |
 Miguel Ángel Jiménez | |
| 276 (−12) | |
| Location map | |
  St Andrews Location in Scotland | |
The 2018 Senior Open Championship was a senior major golf championship and the 32nd Senior Open Championship, held on 26–29 July at the Old Course at St Andrews in St Andrews, Scotland. It was the first Senior Open Championship played at the course and the 16th Senior Open Championship played as a senior major championship.
Miguel Ángel Jiménez won by one stroke over defending champion Bernhard Langer. The 2018 event was Jiménez's first Senior Open Championship title and his second senior major championship victory.