Tottenham MP David Lammy, another of those who have expressed an interest in being Labour's London mayoral candidate, was among those paying tribute to Tessa Jowell on Twitter:
Shadow business secretary Chuka Umunna added:
In a letter to her Dulwich and West Norwood constituency party she said quitting the south London seat was "the hardest decision I have ever taken", adding:
Dame Tessa Jowell has fuelled speculation she is preparing for a bid to run as London's Mayor after announcing she will retire as an MP at the next general election.
The Labour MP played a crucial role in bringing the 2012 Olympics to London. Her Commons career will come to an end after 23 years in 2015.
Dame Tessa Jowell is to retire as an MP at the general election after nearly a quarter of a century in the Commons, the former Cabinet minister has told her local constituency party.
The Labour stalwart, who served in Tony Blair and Gordon Brown's Cabinets and as culture secretary played a central role in bringing the 2012 Olympics to London, is not seeking re-election in 2015.
The Dulwich and West Norwood MP stepped down from the Shadow Cabinet last year after seeing the hugely-successful Games through to their closing ceremony as shadow Olympics minister.
The former culture secretary Tessa Jowell, who is MP for the neighbouring constituency of Dulwich, has condemned the anti-Thatcher celebrations in Brixton and elsewhere in the UK as "disrepectful":