Kate O'Connor is an Irish multi-sport athlete, active in the heptathlon and modern pentathlon.
O'Connor competed for Northern Ireland at the 2018 Commonwealth Games, finishing eighth in the heptathlon.
She won a silver in the heptathlon at the 2019 European Athletics U20 Championships in Borås, Sweden, and in doing so became the first female heptathlete to medal for Ireland. The performace also earned her a new Irish Record, her total of 6,093 points also smashing the existing Irish senior record - the first time any Irish woman has surpassed 6,000 points.
O'Connor will begin a course of study at the Sheffield Hallam University in 2019.