Semnani
Semnani (Persian: سمنانی) may refer to:

Semnani language, one of the local languages of the Semnan Province of Iran
Semnani languages, a group of Northwestern Iranian languages, spoken in Semnan province of Iran
Semnani people, an Iranian people who primarily live in northern Iran and speak the Semnani language
Ashraf Jahangir Semnani (1287–1386), a Sufi saint
In biology
Elachista semnani, a moth in the family Elachistidae
Scrobipalpa semnani, a moth in the family Gelechiidae