James Patrick Hannan (24 August 1884 – 1957) was the last of six New Zealand oarsman who attempted to win the World Sculling Championship title.
Hannan, known as Pat or Paddy, was born in Wellington in 1886 but was later a resident of Blenheim for a number of years. He had a successful amateur career and then went to Sydney, Australia, to take tutelage from George Towns and Harry Floyd before turning professional.