Spherical and monodisperse alumina powder was fabricated by controlling the type, content and composition of emulsifiers under W/O emulsion method including combustion process. Aq. Al₂O₃ sol of pH = 3 obtained from Al(NO₃)₃·9H₂O was used as water phase [W] and paraffin oil containing emulsifiers was used as oil phase [O]. Span80 (sp80) was used as a single-surfactant, [sp80 & tween80(tw80)] as mixed-surfactant, and n-butanol, n-octanol as well as n-dodecanol were used as co-surfactants. As results, under 2000rpm, average particle size of spherical alumina fabricated by adding 0.4 vol% n-butanol in emulsion containing [sp80 & tw80] of HLBm = 5 became smaller than that obtained from the only usage of [sp80 & tw80] of HLBm = 5 regardless of O:W volumetric ratio and vol% emulsifiers. Under 4000 rpm and O:W = 8:1.5, the aggregation and coalescence among particles fabricated by the usage of 2.5 vol% [sp80 & tw80] of HLBm = 5 were lower than those among particles prepared by the usage of 2.5 vol% sp80. Moreover, the lowest value of monodispersity, 1.03, in this study could be gained by the usage of 0.25 vol% n-butanol together with 2.5 vol% [sp80 & tw80] of HLBm = 5.