Michael Kay may refer to:
- Michael Kay (sports broadcaster) (born 1961), American sports announcer and broadcaster
- Michael Howard Kay (born 1951), British XML developer
- Michael Kay (professor) (1927–2014), American historian
- Michael Kay (footballer) (born 1989), English footballer
- Michael Kay (cricketer) (born 1981), former English cricketer
- Michael Kay (songwriter), English singer, songwriter and record producer