Lotta Wahlin (born 13 December 1983 in Linköping) is a retired Swedish professional golfer.

Between 2005 and 2010 she won five titles on the tour, including back-to-back victories in the Rejmes Ladies Open, and a triumph in the final of the Swedish Matchplay Championship against Kaisa Ruuttila.

She cruised to her maiden LET victory with a wire-to-wire win at the inaugural Turkish Ladies Open.

[1] She also won the Wales Ladies Championship of Europe by defeating Martina Eberl at the second hole of a playoff, as well as the Catalonia Ladies Masters in Spain, an unofficial LET event she won with a 6 stroke margin over Rebecca Hudson, Paula Marti and Tania Elósegui.

[3] Following another setback with a back injury in 2011 she announced her retirement in 2012 at age 28, and the Raiffeisenbank Prague Golf Masters in June 2012 was her last event on the Ladies European Tour.