Krystyna Chojnowska-Liskiewicz (15 July 1936 – 13 June 2021) was a Polish naval engineer and sailor as well as the first woman to have sailed single-handed (i.e. solo) around the world, repeating the accomplishment of Joshua Slocum.

[1][2][3] She sailed from the Canary Islands on 28 March 1976, and returned there on 21 April 1978, completing a circumnavigation of 31,166 nautical miles (57,719 km) in 401 days.

Krystyna Chojnowska-Liskiewicz carried out her westabout (east to west) voyage on Mazurek, a Conrad 32 sloop built in Poland.

Chojnowska-Liskiewicz completed her voyage when she entered the port of Las Palmas de Gran Canaria on 21 April 1978, having sailed 31,166 nautical miles (57,719 km) in 401 days.

She also became the first woman to single-handedly sail the clipper route, eastabout and south of the three great capes, starting and finishing in the English Channel (a requirement for speed records).