Events from the year 1531 in Sweden.

• Monarch – Gustav I

• - Laurentius Petri is appointed the first Lutheran Arch Bishop of Sweden.
• - Wedding between the King and Catherine of Saxe-Lauenburg.
• - Olaus Petri writes the first Lutheran church service in Sweden.
• - The third of the Dalecarlian Rebellions begins.

• Sten Axelsson Banér (1531–1599) – He was a Swedish nobleman and a significant military leader.

• Nils Dacke (circa 1510–1543) – Although he died in 1543, he was a significant figure during the early 1530s.
• Bengt Nilsson (Oxenstierna) (circa 1480–1531) – A prominent Swedish noble and politician