William Wishart († 1279) was a 13th century Bishop of St. Andrews. He was postulated to the see

Episcopal See

An episcopal see is, in the original sense, the official seat of a bishop. This seat, which is also referred to as the bishop's cathedra, is placed in the bishop's principal church, which is therefore called the bishop's cathedral...

 of St. Andrews (Cell Rígmonaid or Cill Rìmhinn) while holding the position as Bishop-elect of Glasgow, which he resigned when, on 2 June 1271, he was elected to that vacant see. He was succeeded at Glasgow by his cousin (consanguieus), Robert Wishart

Robert Wishart

Robert Wishart was Bishop of Glasgow during the Wars of Scottish Independence and a leading supporter of Robert Bruce. For Wishart and many of his fellow churchmen the freedom of Scotland and the freedom of the Scottish church were one and the same thing...

. His election to St. Andrews was notable, because apparently the bishopric's Céli Dé

Culdee

Céli Dé or Culdees were originally members of ascetic Christian monastic and eremitical communities of Ireland, Scotland and England in the Middle Ages. The term is used of St. John the Apostle, of a missioner from abroad recorded in the Annals of the Four Masters at the year 806, and of Óengus...

 community were excluded from the election. Pope Gregory X

Pope Gregory X

Pope Blessed Gregory X , born Tebaldo Visconti, was Pope from 1271 to 1276. He was elected by the papal election, 1268–1271, the longest papal election in the history of the Roman Catholic Church....

 charged the Bishop of Moray

Bishop of Moray

The Bishop of Moray or Bishop of Elgin was the ecclesiastical head of the Diocese of Moray in northern Scotland, one of Scotland's 13 medieval bishoprics...

, the Bishop of Aberdeen

Bishop of Aberdeen

The Bishop of Aberdeen was the ecclesiastical head of the Diocese of Aberdeen, one of Scotland's 13 medieval bishoprics, whose first recorded bishop is an early 12th century cleric named Nechtan...

, and the Bishop of Argyll

Bishop of Argyll

The Bishop of Argyll or Bishop of Lismore was the ecclesiastical head of the Diocese of Argyll, one of Scotland's 13 medieval bishoprics. It was created in 1200, when the western half of the territory of the Bishopric of Dunkeld was formed into the new diocese. The bishops were based at Lismore...

, to look over the character of the elect and to investigate the legitimacy of the election, of the latter of which the Pope had suspicions. William, however, emerged successfully, and was consecrated at Scone on 15 October 1273.

William died on 28 May 1279, in Teviotdale. He was buried at St Andrews.