Deiker
Deiker is the family name of the following people:
- Carl Deiker (1879–1958), German painter and writer
- Carl Friedrich Deiker (1836-1892), German painter
- Christian Friedrich Deiker (1792–1843), German drawing teacher, miniature and portrait painter
- Hans Deiker (1876–1945), German painter
- Johannes Deiker (1822–1895), German painter