Ukrainian Canadian Social Services Inc. of Canada is a national charitable organization whose main purpose is to assist individuals and families of Ukrainian ethnocultural background through community-based social service programs. 

Ukrainian Canadian Social Services Inc. of Canada, as a coordinating body, unites 10 branches across Canada that carry out various social, cultural and support programs targeted to needs in their local communities. Branches are located in the following cities: Vancouver, Edmonton, Saskatoon, Winnipeg, Thunder Bay, St. Catharines, Hamilton, Toronto, Ottawa, and Montreal.

The organization also carries out assistance programs outside of Canada, helping Ukrainians in South America, Poland, Romania, the Czech Republic and former Yugoslavia. Since the declaration of independence in Ukraine in 1991, special programs and community development projects have also been initiated to assist Ukrainians to better cope with social and economic conditions in Ukraine.

As a national organization, UCSS is a member of the Ukrainian Canadian Congress. UCSS is also a member of the Ukrainian World Congress (UWC) and is part of the World Council of Ukrainian Social Services UWC.