- Language: Upper Silesian
- Alternate names: Silesian, ślōnskŏ gŏdka, ślōnski, ślōnskŏ mŏwa, Śląski, Szlonzok, Eng: Silesian, Pol: język śląski, Ces: slezský jazyk
- Language code: szl
- Language family: Indo-European, Slavic, West, Lechitic (SIL classification)
- Number of speakers: 56,000
- Vulnerability: Vulnerable
Different from Upper Silesian, a dialect of Polish (See: [[Polish]]).
Upper Silesian is spoken in Poland, Europe.