The invention concerns a satellite deployment system (30) for launch vehicles. Said satellite deployment system (30) comprises an outer dispenser (31) that is fitted, externally, with first releasable attachment means for releasably attaching first satellites (81) to said outer dispenser (31) and, internally, with an internal housing volume (310). Moreover, the satellite deployment system (30) further comprises at least an inner dispenser (32,33) that is externally fitted with second releasable attachment means for releasably attaching second satellites (82,83) to said inner dispenser (32,33), and that is accommodated in the internal housing volume (310) of the outer dispenser (31).