A process for producing a lithium vanadium phosphate-carbon composite that includes lithium vanadium phosphate having a NASICON structure, and a conductive carbon material, the process comprising: a first step that includes mixing a lithium source, a tetravalent or pentavalent vanadium compound, a phosphorus source, and a conductive carbon material source that produces carbon through pyrolysis, in an aqueous solvent to prepare a raw material mixture; a second step that includes heating the raw material mixture to effect a precipitation reaction to obtain a reaction mixture that includes a precipitate, wherein the second step heats the raw material mixture at 60 to 100°C; a third step that includes subjecting the reaction mixture that includes the precipitate to wet grinding using a media mill to obtain a slurry that includes ground particles, wherein the ground particles included in the slurry have an average particle size of 2 μm or less; a fourth step that includes spray-drying the slurry that includes the ground particles to obtain a reaction precursor; and a fifth step that includes calcining the reaction precursor at 600 to 1300°C in an inert gas atmosphere or a reducing atmosphere, wherein the lithium source is at least one lithium source selected from lithium hydroxide and lithium carbonate, the tetravalent or pentavalent vanadium compound is at least one compound selected from vanadium pentoxide, ammonium vanadate and vanadium oxyoxalate, the phosphorous source is at least one phosphorous source selected from phosphoric acid, polyphosphoric acid, phosphoric anhydride, ammonium dihydrogen phosphate, diammonium hydrogen phosphate and ammonium phosphate, and the conductive carbon material source is a saccharide, wherein the conductive carbon material source is used in the first step so that the amount of carbon atoms is 0.5 to 40 parts by mass based on 100 parts by mass of lithium vanadium phosphate, and wherein at least diffraction peaks attributed to lithium phosphate and vanadium hydrogen phosphate are observed when the precipitate is subjected to X-ray diffraction analysis. a first step that includes mixing a lithium source, a tetravalent or pentavalent vanadium compound, a phosphorus source, and a conductive carbon material source that produces carbon through pyrolysis, in an aqueous solvent to prepare a raw material mixture; a second step that includes heating the raw material mixture to effect a precipitation reaction to obtain a reaction mixture that includes a precipitate, wherein the second step heats the raw material mixture at 60 to 100°C; a third step that includes subjecting the reaction mixture that includes the precipitate to wet grinding using a media mill to obtain a slurry that includes ground particles, wherein the ground particles included in the slurry have an average particle size of 2 μm or less; a fourth step that includes spray-drying the slurry that includes the ground particles to obtain a reaction precursor; and a fifth step that includes calcining the reaction precursor at 600 to 1300°C in an inert gas atmosphere or a reducing atmosphere, wherein the lithium source is at least one lithium source selected from lithium hydroxide and lithium carbonate, the tetravalent or pentavalent vanadium compound is at least one compound selected from vanadium pentoxide, ammonium vanadate and vanadium oxyoxalate, the phosphorous source is at least one phosphorous source selected from phosphoric acid, polyphosphoric acid, phosphoric anhydride, ammonium dihydrogen phosphate, diammonium hydrogen phosphate and ammonium phosphate, and the conductive carbon material source is a saccharide, wherein the conductive carbon material source is used in the first step so that the amount of carbon atoms is 0.5 to 40 parts by mass based on 100 parts by mass of lithium vanadium phosphate, and wherein at least diffraction peaks attributed to lithium phosphate and vanadium hydrogen phosphate are observed when the precipitate is subjected to X-ray diffraction analysis.