Janine Carter is a fictional character from the BBC soap opera EastEnders, introduced in 1989. The character was played by Rebecca Michael from 1989 to 1993, Alexia Demetriou from 1993 to 1996, and Charlie Brooks from 1999 to 2022. Brooks initially departed on 7 May 2004. She returned for a three episode guest stint in April 2008 before returning permanently on 18 December of that year. Brooks later took a break from September 2012 until April 2013, then departed again on 20 March 2014. In April 2021, it was announced that Brooks would reprise the role once again and return later in the year. She returned on 6 September 2021. It was announced on 24 September 2022 that Brooks had only agreed to reprise the role for 12 months and would depart again at the conclusion of her storyline, with her final scenes airing on 26 December 2022.

EastEnders is a British television soap opera created by Julia Smith and Tony Holland which has been broadcast on BBC One since February 1985. Set in the fictional borough of Walford in the East End of London, the programme follows the stories of local residents and their families as they go about their daily lives. Within eight months of the show's original launch, it had reached the number one spot in BARB's television ratings, and has consistently remained among the top-rated series in Britain. Four EastEnders episodes are listed in the all-time top 10 most-watched programmes in the UK, including the number one spot, when over 30 million watched the 1986 Christmas Day episode. EastEnders has been important in the history of British television drama, tackling many subjects that are considered to be controversial or taboo in British culture, and portraying a social life previously unseen on UK mainstream television.