Jon Ludvig Hammer

Jon Ludvig Hammer
Hammer at the 2007 Norwegian Championship at Hamar
Full nameJon Ludvig Nilssen Hammer
CountryNorway
Born (1990-06-02) 2 June 1990
Bergen, Norway
TitleGrandmaster (2009)
FIDE rating2608 (June 2025)
Peak rating2705 (February 2016)
Peak rankingNo. 40 (February 2016)

Jon Ludvig Nilssen Hammer (born 2 June 1990) is a Norwegian chess grandmaster and three-time Norwegian Chess Champion. He was the main second for Magnus Carlsen in the World Chess Championship 2013.