Frank Michael Jeffery (13 March 1933, Peckham, South London – 5 March 1973) was an English music business manager of the 1960s who is best known for his management of The Animals and Jimi Hendrix, whom he co-managed for a time with former Animals bassist Chas Chandler.
A former associate of noted English pop impresario Don Arden, Jeffery was and remains a controversial figure.
He died in 1973 in a mid-air collision over Nantes, France, whilst aboard an Iberia Airlines DC-9.