Essien will now feature in the club that was once home to Cameroon’s legend and World Cup hero Roger Milla.
The former Chelsea midfielder has been a free agent since leaving Greek club Panathinaikos at the end of last season.
During his nine-year spell in England with Chelsea, Essien won a Champions League, two Premier League titles and four FA Cups.
He featured for Ghana in two World Cups, and was capped 58 times for the Black Stars before retiring from international duty in 2014.
Essien will don jersey number five while at Persib.