The 62-year-old Imran is believed to have tied the knot last weekend with Pakistani news anchor Reham, 41, who is a divorcee and mother-of-three.
She lived in Britain for part of her previous marriage, when she was a weather girl and presenter on the BBC regional news programme 'South Today'.
Imran was previously married to Jemima 'Goldsmith' Khan and has two sons with her, Sulaiman Isa and Kasim. The couple divorced in 2004.
Jemima had revealed in October this year that she was ditching the surname 'Khan' and reverting to her family name because her ex-husband was about to remarry.
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A family friend said that relatives including his sisters were against the marriage and were surprised he went ahead.
Leading political commentator Dr Shahid Masood, who is a close friend of the former captain, said on television that Imran neither confirmed nor denied the news.
There has been no official announcement from the couple yet.