Kajsa Arwefjäll (born 20 June 2000) is a Swedish professional golfer on the Ladies European Tour and former world champion rope skipper.

Arwefjäll was born in Tranås in 2000 and moved with her family to Höllviken in 2009, where she grew up playing at Ljunghusen Golf Club.

With her father on the bag she won the 2021 GolfUppsala Open on the LET Access Series,[10] where she beat Sofie Bringner on the second hole of a playoff.

She was runner-up at the Santander Golf Tour Ávila behind Helen Briem, before winning the MoreGolf Mastercard Open ahead of compatriot Andrea Lignell.

[12] After two victories, two runner-ups and a total of eight top-6 finishes in twelve starts, she secured the 2024 LET Access Series Order of Merit and Rookie of the Year titles ahead of Helen Briem, and graduated to the Ladies European Tour for 2025.