Krejčík (feminine Krejčíková) is a Czech-language occupational surname, meaning 'tailor'. Notable people with the surname include:

• Aneta Krejčíková (born 1991), Czech actress
• Barbora Krejčíková (born 1995), Czech tennis player
• Jiří Krejčík (1918–2013), Czech film director
• Jakub Krejčík (born 1991), Czech ice hockey player
• Josef Krejcik (1885–1957), Austrian chess master and writer
• Lukáš Krejčík (born 1990), Czech ice hockey player
• Stanislav Krejčík (born 1972), Czech footballer

• All pages with titles containing Krejcik
• All pages with titles containing Krejcikova