"Yeah Boy" is a song co-written and recorded by American country pop singer Kelsea Ballerini for her debut studio album, The First Time (2015). Ballerini co-wrote the song with Forest Glen Whitehead and Keesy Timmer. It was released to American country radio on October 10, 2016 as the album's fourth and final single. The song garnered a positive reception from critics praising its upbeat nature and Ballerini's bubbly charm for being a return to her first two singles.
"Yeah Boy" peaked at numbers three and nine on both the Billboard Country Airplay and Hot Country Songs charts respectively, making it Ballerini's first single of her career to miss number one. It also reached number 65 on the US Billboard Hot 100. It was certified Platinum by the Recording Industry Association of America (RIAA), and has sold 195,000 copies in the United States as of May 2017. The song also charted in Canada, reaching number two on the Canada Country chart. The accompanying music video for the song was directed by Kristin Barlowe, taking inspiration from the 1990s with Ballerini sporting a colorful bodysuit and accompanied by female backup dancers, while in front of a neon backdrop and a graffiti brick wall.