Lars Einar Vilhelm Thörn (26 September 1904 – 9 October 1990) was a Swedish sailor who competed in the 1956 and 1964 Summer Olympics.
In 1956 he won the gold medal as part of the Swedish boat Rush V in the 5.5 metre class event.
Eight years later he won the silver medal as crew member of the Swedish boat Rush VII in the 5.5 metre class event.