The couple, who are parents to four-year-old son Haroon, took to their respective Twitter accounts to announce their split that follows prolonged speculation surrounding the state of their marriage.
'Ranvir and I have mutually decided to separate, but continue to be friends and co-parent our son. Will appreciate your support. Thank you,' Konkona, 35, posted on Twitter.
Ranvir posted the same statement.
Konkona and Ranvir, 43, started dating in 2007. The couple got married in 2010 in a private ceremony.
They have starred together in films like Traffic Signal, Mixed Doubles, Aaja Nachle and Gour Hari Daastan.
'You can't allow yourself to be affected by what people say'
If Anil Kapoor, Alia, Salman had movies made on their lives...
PIX: Tiger Shroff's sister gets BOLD
When Shahid, Alia couldn't stop dancing!
'I pretend I was never in the movies!'