Use As A Surname
- David Welker (born 1964), American Artist
- Frank Welker (born 1946), An American actor and voice-over artist
- Hans Welker (1907–1968), German football player
- Heinrich Welker (1912–1981), German physicist
- Herman Welker (1906–1957), US Senator from Idaho
- Jim Welker (born 1950), Colorado State Representative
- Martin Welker (1819–1902), US congressman from Ohio
- Michael Welker (born 1947), German theologian
- Wes Welker, NFL player
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