Tanjung Piai Bersatu chief Karmaine Sardini has been chosen as Pakatan Harapan's candidate for the Johor parliament seat's by-election.

The 66-year-old's candidacy was announced by Bersatu president Muhyiddin Yassin at an event in Tanjung Piai today.

The businessperson is a Pontian native, and is a well-known local religious figure and has served as an Imam for the Al-Muttaqin Mosque in Johor Bahru, and is also Johor Bersatu's religious bureau chairperson.