Mary Jane Lamond (born 1960) is a Canadian Celtic folk musician who performs traditional Canadian Gaelic folk songs from Cape Breton Island. Her music combines traditional and contemporary material. Lamond is known as the vocalist on the 1995 hit single "Sleepy Maggie" by Ashley MacIsaac feat. Mary Jane Lamond, and for her solo Top 40 hit "Horo Ghoid thu Nighean", the first single from her 1997 album Suas e!. Her 2012 collaboration, as Mary Jane Lamond & Wendy MacIsaac