Sister Stanislaus Kennedy (born Treasa Kennedy, c. 1940), often called Sister Stan, is an Irish member of the Sisters of Charity. She is best known for having co-founded, in 1985, the homelessness charity Focus Ireland and is Life President of the organisation. In 2001, she also set up The Immigrant Council of Ireland (ICI) as a response to the social needs of new immigrants living in Ireland. In 1997 she was appointed to the Council of State by President Mary McAleese and served until 2004. She has published books about spirituality and other topics.