The invention discloses an automatic filling wire feeding device for marine cable production. The automatic filling wire feeding device comprises a wire feeding device base, a wire feeding disc, a wire feeding wheel and a height adjuster, wherein a device protective shell is mounted above the wire feeding device base; a fixing wire clip is arranged above the wire feeding disc; a working motor is mounted above the fixing wire clip; a filling wire is mounted above the working motor; the upper part of the filling wire is connected with the wire feeding wheel; an extension-type manipulator is mounted below the wire feeding wheel; a cutter is mounted below the extension-type manipulator; a tensioner is communicated with a part below the cutter; the height adjuster is mounted above the tensioner; a control switch is mounted above the height adjuster. The automatic filling wire feeding device for marine cable production has the benefits that the filling wire is prevented from getting stuck during feeding, the working efficiency is high, and the working noise is low.