A process for producing 3-methyltetrahydrofuran, comprising: reacting 3-methyl- 3-buten-1-ol with hydrogen peroxide in the presence of a zcolite to produce 3- hydroxy-3-methyltetrahydrofuran, and reacting the 3-hydroxy-3- methyltetrahydrofuran with hydrogen in the presence of an acidic substance and a hydrogenation catalyst.