Koekkoek or Koekoek is a Dutch family name. Koekoek means "cuckoo" in Dutch.
The surname may refer to:
, a Dutch dynasty of landscape painters:
Johannes Hermanus Koekkoek (1778–1851), Dutch artist and his four sons: (1) Barend Cornelis Koekkoek (1803–1862), Dutch landscape artist, husband of painter Elise Thérèse Koekkoek-Daiwaille; they were parents of (1.1) (1838–1919) (1.2) Maria Louise Koekkoek (1840–1910) (2) Marinus Adrianus Koekkoek the Elder (1807–1868), Dutch artist, father of Hendrik Pieter Koekkoek (1843–1927) (3) (1811–1831), Dutch artist (4) Hermanus Koekkoek (1815–1882), Dutch artist and his four sons: (4.1) Hermanus Koekkoek the Younger (1836–1909), Dutch artist, father of Stephen Robert Koekkoek (1887-1934) (4.2) Willem Koekkoek (1839–1895), Dutch artist, father of (4.2.1) Hermanus Willem Koekkoek (1867–1929) (4.2.2) Marinus Adrianus Koekkoek the Younger (1873–1944) (4.3) Johannes Hermanus Barend Koekkoek (1840–1912), Dutch artist, father of (1871–1956), Dutch painter (4.4) (1849–1909), Dutch artist