Gazzayev ({{lang-ru|Газзаев}}) is a masculine surname originating in Ossetia, its feminine counterpart is Gazzayeva. It may refer to

• Azamat Gazzayev (born 1997), Russian football player
• Ruslan Gazzayev (born 1991), Russian football player, son of Yuri
• Valery Gazzaev (born 1954), Russian football manager and former player, father of Vladimir
• Vladimir Gazzayev (born 1980), Russian football coach and a former player, son of Valery
• Yuri Gazzaev (born 1960), cousin of Valery and father of Ruslan Gazzaev

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• Multicuspid
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• Multicystic dysplastic kidney
• Multidatabase concurrency control
• Multidatabase serializability
• Multidata Systems International
• Multi-day race
• Multiday races
• Multidelay block frequency domain adaptive filter
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• Multidialectical
• Multidimensional Analysis Tools
• Multidimensional arithmetic progression
• Multidimensional array
• Multi-dimensional distribution
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• Multidirectional shooter
• Multidisciplinarity
• Multi-disciplinary