Catherine Brown (or similar) may refer to:

• Catherine Brown, Miss Colorado 1978
• Catherine Brown, Miss Wyoming 2011
• Catherine Madox Brown (1850–1927), artist and model associated with the Pre-Raphaelites
• Katharine Brown (born 1987), Miss Scotland 2009 and Miss United Kingdom 2010
• Kathy Brown (born 1970), American R&B, dance, and house singer
• Kathryn Brown, British art historian
• Katie Brown (TV personality) (born 1963), American home and gardening TV show host, author, and art historian
• Kitty Brown (1899–after 1990), American blues singer
• Cath Brown (artist) (1933–2004), New Zealand master weaver

• Catherine Brown (footballer) (born 1994), Australian footballer
• Katie Brown (water polo) (born 1994), British water polo player
• Cathy Brown (boxer) (born 1970), British ex-professional boxer
• Katherine Brown (cricketer) (born 1953), English cricketer
• Katie Brown (rock climber) (born 1981), American rock climber
• Catherine Gibson (1931–2013), married surname Brown, Scottish swimmer

• Kate Brown (born 1960), governor of the State of Oregon (2015– )
• Kathleen Brown (born 1945), American attorney and politician from California
• Cathy Gordon Brown (born 1965), independent candidate for president of the United States, 2000
• Katherine Whelan Brown (1872–1942), member of the New Jersey General Assembly

• Katheryn Russell-Brown (born 1961), professor of law at University of Florida's Fredric G. Levin College of Law
• Katrina Brown (born 1960), professor of development studies at the University of East Anglia
• Kate Brown (professor) (born 1965), professor at Massachusetts Institute of Technology
• Kate Robson Brown, British anthropologist
• Katherine Brown (psychologist), British psychologist

• Catharine Brown (Cherokee teacher) (c. 1800–1823), Cherokee woman and missionary teacher
• Kate Brown (plaintiff) (1840–1883), United States Senate employee and African American civil rights activist
• Katie Brown, fictional character in Calamity Jane
• Katherine 'Kath' Brown, character in Harry Brown (film)
• Kate Louise Brown (1857–1921), American children's educator and author
• Kate Moore Brown (1871–1945), American musician, clubwoman and traveler

• Kathleen Browne (1878–1943), Irish politician, farmer, writer, historian and archaeologist
• Kathie Browne (1930–2003), American film and television actress
• Kathleen Brown (disambiguation)