A cubic boron nitride sintered material comprising: more than 80 volume% and less than or equal to 95 volume% of cubic boron nitride grains; and more than or equal to 5 volume% and less than 20 volume% of a binder phase, wherein the binder phase includes - at least one selected from a group consisting of a simple substance, an alloy, and an intermetallic compound selected from a group consisting of Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Vanadium, Niobium (Nb), Tantalum (Ta), Chromium (Cr), Molybdenum (Mo), tungsten, aluminum, silicon, cobalt, and nickel, or - at least one selected from a group consisting of a compound composed of at least one element selected from the group consisting Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Vanadium, Niobium (Nb), Tantalum (Ta), Chromium (Cr), Molybdenum (Mo), tungsten, aluminum, silicon, cobalt, and nickel, and at least one element selected from a group consisting of nitrogen, carbon, boron, and oxygen, or - the at least one selected from the group consisting of the simple substance, the alloy, and the intermetallic compound selected from the group consisting of Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Vanadium, Niobium (Nb), Tantalum (Ta), Chromium (Cr), Molybdenum (Mo), tungsten, aluminum, silicon, cobalt, and nickel, and the at least one selected from the group consisting of the compound composed of the at least one element selected from the group consisting of Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Vanadium, Niobium (Nb), Tantalum (Ta), Chromium (Cr), Molybdenum (Mo), tungsten, aluminum, silicon, cobalt, and nickel, and the at least one element selected from the group consisting of nitrogen, carbon, boron, and oxygen, and a dislocation density of the cubic boron nitride grains is more than or equal to 3×10 17 /m 2 and less than or equal to 1×10 20 /m 2, the dislocation density measured using X-ray diffraction using the method described in the description. more than 80 volume% and less than or equal to 95 volume% of cubic boron nitride grains; and more than or equal to 5 volume% and less than 20 volume% of a binder phase, wherein the binder phase includes - at least one selected from a group consisting of a simple substance, an alloy, and an intermetallic compound selected from a group consisting of Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Vanadium, Niobium (Nb), Tantalum (Ta), Chromium (Cr), Molybdenum (Mo), tungsten, aluminum, silicon, cobalt, and nickel, or - at least one selected from a group consisting of a compound composed of at least one element selected from the group consisting Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Vanadium, Niobium (Nb), Tantalum (Ta), Chromium (Cr), Molybdenum (Mo), tungsten, aluminum, silicon, cobalt, and nickel, and at least one element selected from a group consisting of nitrogen, carbon, boron, and oxygen, or - the at least one selected from the group consisting of the simple substance, the alloy, and the intermetallic compound selected from the group consisting of Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Vanadium, Niobium (Nb), Tantalum (Ta), Chromium (Cr), Molybdenum (Mo), tungsten, aluminum, silicon, cobalt, and nickel, and the at least one selected from the group consisting of the compound composed of the at least one element selected from the group consisting of Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Vanadium, Niobium (Nb), Tantalum (Ta), Chromium (Cr), Molybdenum (Mo), tungsten, aluminum, silicon, cobalt, and nickel, and the at least one element selected from the group consisting of nitrogen, carbon, boron, and oxygen, and - at least one selected from a group consisting of a simple substance, an alloy, and an intermetallic compound selected from a group consisting of Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Vanadium, Niobium (Nb), Tantalum (Ta), Chromium (Cr), Molybdenum (Mo), tungsten, aluminum, silicon, cobalt, and nickel, or - at least one selected from a group consisting of a compound composed of at least one element selected from the group consisting Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Vanadium, Niobium (Nb), Tantalum (Ta), Chromium (Cr), Molybdenum (Mo), tungsten, aluminum, silicon, cobalt, and nickel, and at least one element selected from a group consisting of nitrogen, carbon, boron, and oxygen, or - the at least one selected from the group consisting of the simple substance, the alloy, and the intermetallic compound selected from the group consisting of Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Vanadium, Niobium (Nb), Tantalum (Ta), Chromium (Cr), Molybdenum (Mo), tungsten, aluminum, silicon, cobalt, and nickel, and the at least one selected from the group consisting of the compound composed of the at least one element selected from the group consisting of Titanium (Ti), Zirconium (Zr), Hafnium (Hf), Vanadium, Niobium (Nb), Tantalum (Ta), Chromium (Cr), Molybdenum (Mo), tungsten, aluminum, silicon, cobalt, and nickel, and the at least one element selected from the group consisting of nitrogen, carbon, boron, and oxygen, and a dislocation density of the cubic boron nitride grains is more than or equal to 3×10 17 /m 2 and less than or equal to 1×10 20 /m 2, the dislocation density measured using X-ray diffraction using the method described in the description.