Elsa O'Riain

Elsa O'Riain (born 20 September 1982) is an Irish former professional tennis player.

Career
O'Riain has a career-high singles ranking by the WTA of 382, reached on 21 October 2002. She also has a career-high WTA doubles ranking of 295, achieved on 22 September 2023. O'Riain has won one singles and seven doubles titles on the ITF.

In September 2002, she won the ITF 25K tennis tournament in Glasgow, United Kingdom, with partner Yvonne Doyle. Playing for Ireland at the Fed Cup, she had a win–loss record of 9–3. She played college tennis at Harvard University 2005/2006.