Susan "Sue" Tully (born 20 October 1968 in Highgate, London) is an English television producer, director and former actress.
Her most prominent television roles are those of single mother Michelle Fowler in the BBC soap opera EastEnders and her pivotal part in early Grange Hill. Tully played one of EastEnders' original characters, appearing in the first episode on 19 February 1985 and remaining central to the series until 1995.
Tully then gave up acting to work behind the camera and has directed and produced various British television programmes. Shows of which she has directed episodes include EastEnders, London's Burning, 55 Degrees North (2004), The Bill (1999–2004), Funland (2005), Secret Diary of a Call Girl (2007), Lark Rise to Candleford (2009), Silent Witness (2010), Stella (2012), Good Cop (2012) and "Getting On" (2009-2012). She is currently directing episodes of Being Eileen.