Zandor Nilsson (July 2, 1913, Stockholm – July 1, 1973, Stockholm) was a Swedish chess player, who two times won Swedish Chess Championship.

In 1957 Zandor Nilsson won Swedish Chess Championship in Stockholm.

[1] Nilsson played for Sweden in seven Chess Olympiads and won individual bronze medal in 1958:[2] In 1962 Nilsson played for Sweden in World Student Team Chess Championship.

[3] In 1970 he played for Sweden in Nordic Chess Cup.

He was awarded the ICCF International Correspondence Chess Master (IMC) title in 1961.