A multi-cable breakout assembly includes: a plurality of cables arranged in a rectangular array of M rows×N columns, wherein M and N are positive whole numbers greater than one; a first sleeve that encircles the plurality of cables; first and second ribbon members, the first ribbon member being threaded through the plurality of cables to separate the cables into M rows; and the second ribbon member being threaded through the plurality of cables to separate the cables into N columns; and a second sleeve that overlies an end of the first sleeve and the first and second ribbon members.