Jane Helen Rowlands (Helen o Fôn; 3 April 1891 – February 1955) was a Welsh, linguist, scholar and missionary.
Educated at Bangor University, Newnham College, Cambridge, St Colm College, Calcutta University, and the Sorbonne, she served in India for the Foreign Mission of the Welsh Calvinistic Methodist Church.
Rowlands is also known for establishing a residence for widows and orphaned children.