Nomalizo Leah Tutu (née Shenxane; born 14 October 1933) is a South African activist and the widow of Desmond Tutu.^[1][2]

Tutu was born Nomalizo Leah Shenxane on 14 October 1933 in Krugersdorp, South Africa.^[2] She married Desmond Tutu on 2 July 1955. They had four children: Trevor Thamsanqa, Theresa Thandeka, Naomi Nontombi and Mpho Andrea, all of whom attended the Waterford Kamhlaba School in Swaziland.^[3] They have nine grandchildren: Palesa Tutu and Lizo Tutu via Trevor, Xabiso Gxashe via Thandeka, Tebogo Joy Ngoma, Nompumelelo Ngomane, and Mpilo Ngomane via Naomi, and Nyaniso Burris and Onalena Burris via Mpho.^[4] They renewed their marriage vows in 2015 in Orlando, Soweto.^[5] She underwent hip surgery in 2016.^[6]

Leah Tutu was a teacher and a nurse. During the period between 1970 and 1972, she worked as an assistant to the registrar at the University of Botswana, Lesotho and Swaziland.^[2] She co-founded the South African Domestic Workers Association.^[1] She was the director of the Domestic Workers and Employers Project of the South African Institute of Race Relations from 1976 to 1984.^[2][4] She co-founded the Desmond Tutu Peace Center in 1988. She lectures to many churches and women's groups.^[4]

In 2000, the National Louis University awarded her an honorary doctorate, along with her husband.^[2][4] In 2009, she and her husband were awarded the Mattie J.T. Stepanek Peacemaker Award by the We Are Family Foundation.^[7]