Lucas da Cruz Kanieski (born 25 January 1990 in Dourados) is a Brazilian competitive swimmer.

[8] In the 1500-metre freestyle, broke the short-course South American record, with a time of 14:45.51.

[9] At the 2011 Pan American Games, Kanieski won the silver medal in the 4×200-metre freestyle,[10] by participating at heats.

[17] On 13 September 2016, at the José Finkel Trophy (short-course competition), he broke the South American record in the 1500-metre freestyle, with a time of 14:40.31.

[18] At the 2016 FINA World Swimming Championships (25 m) in Windsor, Ontario, Canada, he finished 20th in the Men's 400 metre freestyle[19] and 27th in the Men's 1500 metre freestyle.