Kooi

Kooi, Kooij or Kooy is a Dutch surname. Translated as "cage", the name often referred to a pen or duck decoy, and originated with a herder, duck breeder/hunter, or cage maker. The forms Van der Kooi etc. mean "from the pen / duck decoy". In the Netherlands, the archaic spelling Kooij is most common, while it is usually rendered Kooy abroad. Notable people with the surname include:

Kooi(j)/Kooy Van der Kooi(j)/Kooy
 * Chris Kooy (born 1982), Canadian soccer midfielder
 * Debbie Kooij (born 1968), Dutch cricketer
 * Dick Kooy (born 1987), Dutch volleyball player
 * Earl R. Kooi (1917–2003), American chemist, first to produce high fructose corn syrup
 * Ellen Kooi (born 1962), Dutch artist and photographer
 * Manfred Kooy (born 1970), Dutch Paralympic middle-distance runner
 * Peter Kooij/Kooy (born 1954), Dutch bass singer
 * Ben van der Kooi (born 1983/84), Dutch ultranationalist
 * Derek van der Kooy (born 1952), Canadian neurobiologist
 * Hessel van der Kooij (born 1955), Dutch pop singer
 * Jan van der Kooi (born 1957), Dutch painter and draftsman
 * Jorrit van der Kooi (born 1972), Dutch-born film and TV director and presenter
 * (born 1951), Dutch organist
 * Jurjen van der Kooi (1943-2018), Dutch folklorist
 * Karen van der Kooij (born 1963), Dutch sprinter
 * Mike van der Kooy (born 1989), Dutch football defender
 * (1768–1836), Dutch portrait painter