Catherine Young (or similar) may refer to:

• Catherine Young (1918–1967), married name of German-American actress Kaaren Verne
• Kathy Young (born 1945), American pop singer
• Cathy Young (vocalist) (born 1951), Canadian folk singer and songwriter
• Katie Nicole Young, American beauty pageant winner, Miss Texas USA 1992
• Kate Young, Scottish fiddler, a/k/a Kate in the Kettle, with 2015 Songs of Separation

• Kathleen Young (1901–1988), English tax inspector and women's rights activist, a/k/a Kathleen Young Baxter
• Caroline Kate "Kay" Young (born 1944), Canadian legislator for Newfoundland and Labrador
• Kate Young (politician) (born 1955), Canadian MP for London West in Ontario
• Catharine Young (politician) (born 1960), American state legislator from New York
• Katy Young (born 1980), American member of Los Angeles City Council, a/k/a Katy Young Yaroslavsky

• Kathy Young (born 1957), Canadian curler, a/k/a Kathy Young McEdwards
• Kathryn Young, American rower, see 1990 World Rowing Championships
• Kate Young, Australian breaststroke swimmer, see 2002 Oceania Swimming Championships

• Catharine Young (journalist), (1826–1908), English pioneering newspaper writer
• Katherine K. Young (born 1944), Canadian historian of religions
• Cathy Young (born 1963), Russian-born American libertarian author

• Katherine Young (1901–2005), Chinese-American centenarian

• Young Catherine, 1991 American TV miniseries about early life of Catherine the Great
• Young (surname)