Sophie Kathrin Luck (born 17 October 1989) is an Australian actress best known for her roles on the television shows Blue Water High and Home and Away.

Luck starred in Blue Water High as Fiona "Fly" Watson, appearing in all three seasons.

Other film and TV credits include Don't Blame Me, Snobs and Water Rats.

On 3 February 2009, Luck guest starred on the Season 12 premiere of All Saints as 'Lacey'.

Luck won the 2005 Australian Film Institute Award[2] for Best Young Actor.