Sophie Hosking, from Wimbledon, was also awarded an MBE for services to rowing.
The athlete, who won gold in the Lightweight Women's Double Scull at London 2012, learned to row at school in Kingston and now trains at the London Rowing Club in Putney.
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A Jewish woman liberated from Bergen-Belsen 70 years ago was among thousands of London's Jewish community marking Jewish Remembrance Day.
Tributes have been left to two people who died in a motorcycle crash. The driver has been named locally as Justas Pranckunas.
Two people were injured in a collision involving several vehicles in central London, after their car was caught between two buses.