Mstislav may refer to:

• Mstislav (given name), a Slavic origin given name
• Mstislav Rostropovich, a Russian cellist
• Mistislaw (Obotrite prince), a Obotrite prince son of Mstivoj
• an alternate spelling of Mstsislaw, a town in Mahilyow Voblast, eastern Belarus

• Higher Preparatory Examination (HF)
• Higher School Certificate
• Higher School Certificate (New South Wales)
• Higher (Scottish)
• Higher Secondary Examination
• Higher self
• Higher self/Nuit
• Higher SS and Police Leader
• Higher Superstition
• Higher Technical Examination Programme
• Higher–hire merger
• Highest
• Highest Alemannic German
• Highest averages method
• Highest common denominator
• Highest common factor
• Highest goalscorers in Ligue 1
• Highest Hopes
• Highest income states in the United States
• Highest odi total
• Highest quality is lowest cost
• Highest unclimbed mountain
• Highest unclimbed peak
• Highest-valued currency unit
• High Etherley