| Lucas Brunner | |
| Birth Place: | Bern, Switzerland |
| Grandmaster (1994) | |
| Peakrating: | 2535 (January 1995) |
| Fideid: | 1300024 |
Lucas Brunner (born 29 May 1967) is a Swiss chess grandmaster. He was Swiss Chess Champion in 1994.
Brunner was born in Bern on 29 May 1967. He moved to West Germany as a child, where he won the German U20 Chess Championship and earned his international master title in 1986. He returned to Switzerland in 1990 and became the first Swiss-born grandmaster when he achieved the title in 1994. He also won the Swiss Chess Championship that year.[1] He is the No. 9 ranked Swiss player as of February 2018.[2]