Jason Isaac "Jay" Cutler (born in Worcester, Massachusetts, on August 3, 1973) is a retired American professional bodybuilder. He is most famously known as a four-time Mr. Olympia winner, securing the title in 2006, 2007, 2009, and 2010. Cutler also holds the distinction of being a six-time Mr. Olympia runner-up and won three consecutive Arnold Classic titles from 2002 to 2004. His career was highlighted by a significant rivalry with Ronnie Coleman. Cutler began working in his brother's concrete business at age 11, which he credits for instilling a strong work ethic. He started bodybuilding at 18, inspired by personal trainer Marcos Rodriguez, and earned a degree in criminal justice in 1993.
Since retiring from professional bodybuilding in 2013, Cutler has focused on various business ventures. He owns Cutler Nutrition, a supplement brand, and Cutler Athletics, an apparel line. He remains active on social media, with a large following on Instagram, TikTok, and YouTube, where he shares training tips and insights. In 2021, Cutler was inducted into the International Sports Hall of Fame.