Jahn

English

English Wikipedia has an article on:

Jahn

Wikipedia

Etymology

Borrowed from German Jahn.

Proper noun

Jahn

1. A surname from German.
   • 2025 September 25, Amanda Musa, Priscilla Alvarez, Leigh Waldman, “A detainee is dead after officials say a shooter fired ‘indiscriminately’ at a Texas ICE facility. Here’s what we know”, in CNN‎:

     The shooter believed to be responsible for the incident was identified as Joshua Jahn, according to three sources familiar with the case. […] In 2016, when he was 19, Jahn was charged with delivering more than one-fourth of an ounce of marijuana, according to Collin County court records. He pleaded guilty and the case against him was deferred, with Jahn being placed on probation.

Derived terms

• Jahn-Teller effect

Czech

Pronunciation

• IPA^(key): [ˈjaɦn̩]

Proper noun

Jahn m anim (female equivalent Jahnová)

1. a male surname from German

Declension

Declension of Jahn (hard masculine animate)

	singular	plural
nominative	Jahn	Jahnové
genitive	Jahna	Jahnů
dative	Jahnovi	Jahnům
accusative	Jahna	Jahny
vocative	Jahne	Jahnové
locative	Jahnovi	Jahnech
instrumental	Jahnem	Jahny

Further reading

• “Jahn”, in Příjmení.cz (in Czech)

German

German Wikipedia has an article on:

Jahn

Wikipedia ^de

Etymology

Reduced from Johannes; as an Eastern German surname, also from Czech Jan, itself related to the former.

Pronunciation

• Audio:

  (file)

• Audio (Germany (Berlin)):

  (file)

Proper noun

Jahn m or f (proper noun, surname, masculine genitive Jahns or (with an article) Jahn, feminine genitive Jahn, plural Jahns)

1. a surname

Further reading

• Hanks, Patrick, editor (2003), “Jahn”, in Dictionary of American Family Names, volume 2, New York: Oxford University Press, →ISBN, page 240.