The 2014 Rakuten Japan Open Tennis Championships was a men's tennis tournament played on outdoor hard courts. It was the 41st edition of the event known this year as the Rakuten Japan Open Tennis Championships, and part of the 500 Series of the 2014 ATP World Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from September 29 till October 5, 2014.
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following pairs received wildcards into the doubles main draw:
The following pair received entry from the qualifying draw:
The following pair received entry as lucky losers: