Blair Simon Kinghorn (born 18 January 1997) is a Scottish professional rugby union player who plays as a fullback for Top 14 club Toulouse and the Scotland national team.

He is currently the youngest player to have reached 100 caps for Edinburgh, having achieved this at aged 24 years and 117 days.

Kinghorn left Edinburgh to join Toulouse in December 2023, with his new club paying a six-figure fee to buy out the 26-year-old’s contract which was due to expire in June 2024.

[2] Kinghorn performed well for Stade Toulousain, by the 2023/24 Champions Cup Final Kinghorn earned the starting position over teammate and French international Thomas Ramos, as he scored 12 points from the tee and made a crucial tackle to stop a breakaway try, helping Toulouse to their 6th European Title which they won in extra time.

He played in all three matches during his first tour with Scotland - to the Americas in the summer of 2018 - scoring tries against the USA and Argentina.