The Canoe Sprint men's KL3 event at the 2016 Paralympic Games took place on 14 and 15 September 2016, at the Lagoa Rodrigo de Freitas. Two heats were held. Winners and runners up advanced directly to the final. The rest went into the semifinal, where the top four advanced to the final.

Heats Heat 1 9:50 14 September 2016:

Rank Lane Name Nationality Time Notes 1 6 42.345 F 2 5 43.223 F 3 7 44.368 SF 4 8 46.305 SF 5 4 50.339 SF

Heat 2 9:55 14 September 2016: Rank Lane Name Nationality Time Notes 1 5 43.033 F 2 6 45.239 F 3 8 45.977 SF 4 4 46.024 SF 5 7 46.577 SF

Semifinal 10:50 14 September 2016:

Rank Lane Name Nationality Time Notes 1 5 42.852 F 2 3 43.572 F 3 6 44.135 F 4 4 44.284 F 5 8 45.189 6 7 45.258

Final 10:10 15 September 2016:

Rank Lane Name Nationality Time Notes 3 39.810 4 39.909 5 40.199 4 6 41.200 5 7 42.410 6 8 42.783 7 2 43.750 8 1 43.921

Notes