The 2012–13 Women's National League was the second season of the Women's National League. This season was again sponsored by Bus Éireann. The six founding members of the league – Peamount United, Castlebar Celtic, Cork Women's F.C., Raheny United, Shamrock Rovers and Wexford Youths – were joined for the second season by DLR Waves. Raheny United won their first of two WNL titles. They also complete a league and cup double after already winning the 2012 FAI Women's Cup. Peamount United won the 2013 WNL Cup with a 6–3 win over Castlebar Celtic. Sara Lawlor of Peamount United was the top league goalscorer with 28 goals. She also won a second consecutive Player of the Season award.