Katie O

Katie Ondrejicka, known as Katie O, is an 19-year-old country singer-songwriter born and raised in Jacksonville, Florida. With a love for traditional country, gospel, and bluegrass music—she brings a timeless and authentic sound to the stage.
Most recently, Katie captured national attention on NBC’s The Voice, where her performance earned her a 4-chair turn. She was even described as Reba McEntire’s 19-year-old twin. She battled against a trio for a coveted spot in the Knockouts and continued her journey all the way to the Playoffs, securing a place in the show’s Top 20.
In 2022, Katie O was a golden ticket winner on American Idol Season 20, where she advanced to Hollywood Week.
Music is more than just a passion for her—it’s a way of life.
As long as Katie can remember she has been singing; she began performing live at 11 years old. From the moment she stepped on stage, she knew music would be an integral part of her life.
She has had the honor to open for renowned artists such as Trent Tomlinson, Linda Davis, High Valley, Craig Campbell, Chuck Wicks, Rodney Atkins, Glen Templeton, Canaan Smith, Big Smo, and The Malpass Brothers. Her performances have taken her throughout the United States allowing her to share her music. She has performed for veterans’ organizations, including the Gary Sinise Foundation and Greater Veterans of Washington State - always eager to bring joy through music.
She gives all the glory to Jesus Christ her Lord and Savior for the opportunity to share her music with the world.
Follow Katie O on all social media platforms for new music and tour dates for 2025!