You Hee-yeol's Sketchbook (Hangul: 유희열의 스케치북) is a South Korean music program that combines a talk show and live music format. It is hosted by You Hee-yeol, also known as his one-man band, Toy. The program has aired since April 24, 2009.
You Hee-yeol's Sketchbook airs on KBS2 every Friday at 12:35am KST and has a running time of about 80 minutes. Each week, musicians (usually 3–4) appear as guests to perform and talk with the MC You Hee-yeol for 10–15 minutes.