The 2019 Tour de Luxembourg was the 79th edition of the Tour de Luxembourg road cycling stage race.

It was held between 5 and 9 June, as a 2.HC event as part of the 2019 UCI Europe Tour.

Thirteen UCI Professional Continental teams, three UCI Continental teams, and the Luxembourg national team made up the seventeen teams that participated the race.

Each team entered seven riders, except for Bardiani–CSF, W52 / FC Porto, and the Luxembourg national team, which each entered six, for a starting peloton of 116 riders.

Of these riders, only 90 finished the race.