Mark OToole

Mark O’Toole is an award-winning Las Vegas vocalist and entertainer known for his rich, unmistakable voice that blends velvet smoothness with soulful grit. Named Las Vegas Entertainer of the Year (2013) by the Entertainment Consumers’ Exchange—an honor shared with legends like Bobby Darin and Louis Prima—Mark has headlined major casinos and nightclubs across the Las Vegas Strip. A two-time Las Vegas Lounge Performer of the Year and Fans’ Hall of Fame inductee, he captivates audiences with powerful interpretations of the Great American Songbook, classic pop, and timeless standards. Perfect for casino showrooms, corporate events, luxury galas, and private celebrations, Mark O’Toole delivers sophisticated, unforgettable live entertainment.