Semnani

Semnani 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