Gaehtgens
Gaehtgens is the family name of the following people:
- Christiane Gaehtgens (1957–2020), German science manager and development worker
- Else Frobenius (née Gaehtgens; 1875–1952), Baltic German journalist and Nazi propagandist
- Gerhard Gaehtgens (1909–2006), German gynecologist
- Peter Gaehtgens (* 1937), German physiologist
- Theophil Gaehtgens (1847–1919), German Baltic Protestant theologian
- Thomas W. Gaehtgens (* 1940), German art historian
- Walter Gaehtgens (1880–1958), German physician