Wykno
Wykno may refer to the following places:
- Wykno, Piotrków County in Łódź Voivodeship (central Poland)
 - Wykno, Gmina Będków in Łódź Voivodeship (central Poland)
 - Wykno, Gmina Ujazd in Łódź Voivodeship (central Poland)
 - Idźki-Wykno, a village in Wysokie Mazowieckie County, Podlaskie Voivodeship (eastern Poland)
 - Stare Wykno, a village in Wysokie Mazowieckie County, Podlaskie Voivodeship (eastern Poland)
 - Nowe Wykno, a village in Wysokie Mazowieckie County, Podlaskie Voivodeship (eastern Poland)
 - Gromadzyn-Wykno, a village in Kolno County, Podlaskie Voivodeship (eastern Poland)