- Language: Ulch
- Alternate names: Olcha, Ulcha, ульчский язык, Ulchi, Ulych, Olch, Olchis, Hoche, Hol-Chih, Olča, Нани
- Language code: ulc
- Language family: Altaic, Tungusic, Southern, Southeast, Nanaj (SIL classification)
- Number of speakers: <1,000
- Vulnerability: Endangered
Close contact with Russian (See: [[Russian]]), Ukrainian (See: [[Ukrainian]]), Nanai (See: [[Nanai]]), Nivkh (See: [[Gilyak]]) (Gilyak), Negidal (See: [[Negidal]]), and others.
The Ulchi language belongs to the southern group of the Manchu-Tungus languages and is so close to the Nanai language that it has been regarded as a Nanai dialect. (The Red Book of the Peoples of the Russian Empire)