We report the utilization of aqueous graphene oxide (GO)-dispersed multi-walled carbon nanotubes (MWNTs) as inks for the simple, fast, and industrially scalable fabrication of transparent conductive films (TCFs) on a large scale. The GO–MWNT inks were rod-coated on uniform thin films, which were then chemically reduced by hydroiodic acid (HI) into reduced graphene oxide (rGO)–MWNT TCFs. We show how to utilize GO to make uniform dispersions of MWNTs in water, and how to optimize the wetting and rheological properties of the dispersion for coating and drying without dewetting. Treatment with HI yielded films with good electro-optical performance (sheet resistance of 380 Ω sq⁻¹ at a transparency of 85%). Evaluation of the figure of merit (FoM) indicates that the rGO–MWNT film is superior to rGO, MWNT and un-doped single-walled carbon nanotube (SWNT) films. The use of the rGO–MWNT film as a transparent heater for defrosters is then demonstrated. Further scientific studies will pave the way for the deployment of GO–MWNT inks in commercial applications.