Oliver James Hannon-Dalby (born 20 June 1989) is an English cricketer, currently with Warwickshire having previously played for Yorkshire County Cricket Club.

Hannon-Dalby was a graduate of the Yorkshire Cricket Academy.

He made his first-class debut against Surrey on 21 May 2008, where his first wicket was that of prolific runscorer Mark Ramprakash.

[2] He gained his first five-wicket haul of 5 for 68 against Warwickshire in the first match of the 2010 County Championship season.

This biographical article related to an English cricketer born in the 1980s is a stub.