Shami Chakrabarti, director of Liberty, said:
"Doreen Lawrence is a role model and a friend - heartfelt congratulations to her on her richly-deserved appointment to the House of Lords.
"Who can imagine transforming the grief of losing a child into a campaign to reform policing and the wider values of an entire nation? Her calm courage should be an inspiration to everyone."
More top news
Tributes have been left in Caledonian Road in Islington where 15-year-old Alan Cartwright died after he was stabbed.
A boy has died after he and his friends were attacked while cycling in north London.
Three police officers have been praised for their actions in helping a four-year-old boy who had become stuck on a roof in Newham.