McGregor tweeted about the feat earlier in the week, claiming he was "still in the hood."
Notably, McGregor's potential rival for the much hyped - and largely unlikely - cross-sport super fight, Floyd Mayweather, came in much higher on the list. The retired boxer was recorded as having a value twice that of McGregor, with US$44 million to his name for the year.
While at the top of the list, football stars Cristiano Ronaldo and Lionel Messi took out the top two positions, with Cleveland Cavaliers poster boy LeBron James sitting in third.
Roger Federer was finally pipped after a number of years as the world's highest paid athlete, coming in at fourth with US$67.8 million (AUD $91.9 million) in earnings for 2016.
In a list heavily dominated by US athletes, footballers and global tennis stars, Jason Day appeared as the only Australian, ranking in at No. 69 with earnings of US$23.6 million (AUD $32 million).