Masis, Massis, or MASIS may refer to:

• Masis (given name)
• Massis (surname)
• Mount Ararat, a mountain in Turkey historically known as Masis by the Armenians
• Masis, Armenia, a city in Ararat Province, Armenia
• MAS Integrated School, MASIS, a school in Puerto Rico
• Masis (village), a village in Ararat Province, Armenia
• FC Masis, a defunct football club in Armenia
• Massis (weekly), an Armenian publication in Los Angeles, CA
• Massis (periodical), an Armenian Catholic publication in Beirut, Lebanon
• Massis (Constantinople periodical) [hy], an Armenian Ottoman publication (1852–1908), first established as Hayasdan, published in Constantinople (now Istanbul)
• Memory and SMS interface standard (where "SMS" stands for "STAR Memory System", and "STAR" in turn stands for "Self-Test and Repair"), a specialized hardware description language created by Synopsys for the purpose of describing random-access memory structures in integrated circuit design.

• Massís del Besiberri, also known as Besiberri Massif
• Massís de Cardó, also known as Cardó Massif
• Massís Centrau, also known as Massif Central
• Massís del Garraf, also known as Garraf Massif
• Massís de les Gavarres, also known as Gavarres
• Massís del Montgrí, also known as Montgrí Massif
• Massís del Caroig, also known as Massís del Caroig

This disambiguation page lists articles associated with the title Masis.
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