Rachel McKenna is a fictional character from the New Zealand soap opera Shortland Street, played by Angela Bloomfield and who made her first appearance in early 1993. Bloomfield left the role in late 1999, before returning in early 2001 and departing in early 2003. She returned in a guest role in mid-2007 and again in a full-time role in late 2009 before departing once again in late 2016.

Shortland Street is a New Zealand prime-time soap opera centring on the fictitious Shortland Street Hospital. The show was first broadcast on TVNZ 2 on 25 May 1992 and is New Zealand's longest-running drama and soap opera, being broadcast continuously for over 7,700 episodes and 31 years. It is one of the most watched television programmes in New Zealand.