DiChiara began his collegiate career at Samford. He was named the Southern Conference Freshman of the Year after hitting 21 home runs and driving in 55 runs.[2] DiChiara was batting .328 before the 2020 season was cut short due to the coronavirus pandemic.[3] As a junior, he batted .273 and led the Southern Conference with 18 home runs.[4] After the season DiChiara transferred to Auburn.[5]
DiChiara entered his senior season at the Tigers' starting first baseman.[6] He was named the Southeastern Conference Co-Player of the Year at the end of the season, sharing the award with Louisiana State University's Dylan Crews.[7]