Jacqueline Ellen Henderson, better known as Jackie O, is an Australian radio and television presenter. She is best known for presenting The Hot Hits Live from LA, Hot30 Countdown, Take 40 Australia, two series of Australian Princess and The Kyle and Jackie O Show.

The Kyle and Jackie O Show is an Australian breakfast radio show hosted by Kyle Sandilands and Jackie O on KIIS 106.5 in Sydney and KIIS 101.1 in Melbourne. The show is syndicated in the late drive slot on the KIIS Network following Will & Woody across Australia, and is a station on iHeartRadio.