Jonathan D. Tisdall (born August 26, 1958) is an American-born Norwegian and Irish grandmaster of chess (title awarded 1993) and works as a freelance journalist. He was born in Buffalo, New York to a Japanese mother and an Irish father.
He was Norwegian Chess Champion in 1987, 1991 and 1995. Combining chess with his job as a journalist, he often attends major chess events as a reporter for Reuters.
He is one of two people on the staff of the English-language section of the Norwegian newspaper Aftenposten's internet edition. He has also written articles in magazines such as The Spectator, The Economist and Scanorama.
In recent years,[when?] he has been studying the Japanese chess variant of shogi.