|This article relies largely or entirely upon a single source. (March 2013)|
Emma Cunniffe (born 3 July 1973) is a British film, stage and television actress.
Her television credits include The Lakes (BBC 1997, 1999), "Biddy" in a TV adaptation of Great Expectations, All the King's Men, Clash of the Santas, alongside Robson Green and Mark Benton, an ITV adaptation of Appointment with Death, Clocking Off (BBC), and Flesh and Blood with Christopher Eccleston.  She also appeared in the sixth season Doctor Who episode "Night Terrors", alongside the Eleventh Doctor played by Matt Smith. She was nominated for "what's on stage" award in 2011 for her role as Elizabeth Proctor in The Crucible at Regents Park.
On stage she won the Barclays Theatre Award for Best Actress in a Supporting Role for her performance in The Master Builder in 1999. Her other stage work includes Tales from Hollywood, Losing Louis at the Trafalgar Studios in London and in 2006 Women Beware Women for the Royal Shakespeare Company in Stratford-upon-Avon. 
On television, she appeared in the BBC documentary The Genius of Mozart as Constanze, Wolfgang's wife.