The 1912 Open Championship was the 52nd Open Championship, held 24–25 June at Muirfield in Gullane, East Lothian, Scotland. Ted Ray won the Championship, four strokes ahead of runner-up Harry Vardon.
Following the problems caused by the large number of entries in 1911, qualification was re-introduced. Qualifying took place on 20, 21 and 22 June. The top 20 and ties qualified on each of the three days George Duncan led the 20 qualifiers on the first day by 7 strokes with a score of 149, 168 being the qualifying score. There 21 qualifiers on the second day, scoring 162 or better, led by Ted Ray on 153. There were again 21 qualifiers on the third day. Tom Ball scored 144, 6 strokes ahead of the rest, the qualifying mark being 160.
Ray led after the first day on 144, with Vardon on 147, James Braid on 148 and George Duncan on 149.
Ray extended his lead to five strokes after the third round and he was not seriously challenged in the final round, despite a 71 from Vardon. Despite his weight and with his nearest rivals still to complete their rounds, Ray was carried off the final green in triumph by some of his friends.