President Barack Obama is said to have repeatedly referred to the Chancellor George Osborne as 'Jeffrey' during a briefing at the G8 summit yesterday.
It was not until after Mr Osborne finished giving a presentation that the US president realised his mistake.
According to the FT (£), he explained himself by saying: “I’m sorry, man. I must have confused you with my favourite R&B singer.”
Mr Obama must surely be the first person to have confused the Chancellor with the soul legend Jeffrey Osborne, but it is certainly not the first amusing case of mistaken identity:
Taxi driver turned tech expert
This London cabbie was patiently waiting for a client in the lobby of a BBC building, when a producer mistook him for a guest on a TV show.
Instead of pointing out the mistake, he went with the flow and happily ruminated on the convergence of the music and technology industries.
You might think Olympic gold medallist Mo Farah is one of the world's most recognisable sportsmen, but he is routinely mistaken for a potential terrorist in the US.
He has said he is used to being pulled aside and questioned by customs officials and puts this down to his Somali heritage.
And then there was the hapless TV presenter who asked the world record holder: "Haven't you run before?" after he completed the New Orleans half marathon in record time:
Tim Berners Lee who?
During the Olympic Opening Ceremony, a presenter for the US network NBC seemed perplexed when an entire section was devoted to an Englishman she admitted she had never heard of.
"If you haven't heard of him, we haven't either," Meredith Vieira joked, to which co-host Matt Lauer quipped: "Google him".
Newcastle United's new director of football, Joe Kinnear, seemed a little confused about the identities of a number of his new colleagues in an interview with TalkSPORT.
He claimed that "Derek Llambezee" (Derek Llambias) had reigned as director of football - a position he never held. He then referring to "Shola Amenobee" (Shola Ameobi), "Yohan Kebab" (Yohan Cabaye) and "Hatem Ben Afre" (Hatem Ben Arfa).
Dexys Midnight Runners
Dexys Midnight Runners were responsible for a famous case of mistaken identity during their 1982 performance on Top Of The Pops.
They were covering a Van Morrison track called 'Jackie Wilson Said' - a tribute to the eponymous soul legend - but a giant photo of the darts player _Jockey _Wilson appeared behind the stage.