JENDL LLFP Transmutation Cross Section File 2018 (JENDL/ImPACT-2018) has been developed for innovative studies on nuclear transmutation of long-lived fission products (LLFPs). Evaluated neutron- and proton-induced reaction data are stored up to 200 MeV for LLFPs, Se-79, Zr-93, Pd-107 and Cs-135 which were targeted by Impulsing Paradigm Change through Disruptive Technologies Program (ImPACT). The file also contains the reaction data for the neighboring nuclei including unstable ones which are produced by the nuclear reactions on LLFPs. The model-based evaluation was performed with advanced nuclear theories and experimental data by inverse kinematics at the RIKEN Radioactive Isotope Beam Factory. The file provides double-differential cross-sections for emitted neutrons, protons, deuterons, tritons, helium-3 nuclei, alpha-particles and gamma-rays. In addition, it includes production cross-sections of residual nuclei as well as the fundamental cross-sections such as total, total-reaction and elastic scattering cross-sections.