Jack Oyola is a defensive back for the Northwestern Wildcats from Alpharetta, Georgia. He attended Alpharetta High School, where he recorded 55 tackles, 10 pass breakups, five forced fumbles, and one interception during his senior year. Oyola committed to Northwestern on April 2, 2022. He redshirted in 2022 before making his collegiate debut against UTEP on September 9, 2023, and recording his first career tackle against Wisconsin on November 11, 2023. Oyola earned Academic All-Big Ten honors in both 2023 and 2024. In 2025, he appeared in one game against ULM on October 4.