The 2019 Monte-Carlo Masters (also known as the Rolex Monte-Carlo Masters for sponsorship reasons) was a tennis tournament for male professional players played on outdoor clay courts. It was the 113th edition of the annual Monte Carlo Masters tournament, sponsored by Rolex for the 11th time. It took place at the Monte Carlo Country Club in Roquebrune-Cap-Martin, France (though billed as Monte Carlo, Monaco). The event was on the 2019 ATP Tour.
Because the Monte Carlo Masters is the non-mandatory Masters 1000 event, special rules regarding points distribution are in place. The Monte Carlo Masters counts as one of a player's 500 level tournaments, while distributing Masters 1000 points.
The following players received wildcards into the main draw:
The following player received entry using a protected ranking into the singles main draw:
The following player received entry as an alternate:
The following players received entry via the qualifying draw:
The following player received entry as a lucky loser:
The following pairs received wildcards into the doubles main draw:
The following pair received entry as alternate: