'I think next year will be my last season, ' Drogba added. "There comes a time when you have to stop".
The 2012 Champions League victor scored 10 goals in 14 regular season games to help his franchise into the USL playoffs, where they lost to eventual championship runners-up Swope Park Rangers.
In nine years at Stamford Bridge - over two spells - the forward scored 164 times for the Blues, including a crucial goal and the winning penalty as they won the Champions League in 2012.
"I need time for my other projects".
The Ivorian won four Premier League titles among 14 trophies in a Chelsea career spanning more than 380 appearances, and the 39-year-old is now playing for Phoenix Rising in the second tier of United States professional soccer.
Apart from his trophy-laden spell at Chelsea, Drogba also has Turkish Super Lig, Super Cup and Turkish Cup honours to his name with Galatasaray.