A vehicle instrument panel reinforcement capable of raising ease of vehicle installation is provided. The instrument panel reinforcement is formed with a cross-section profile of square shaped closed cross-section profile from an upper member and a lower member, is disposed along a vehicle width direction at the inside of a vehicle instrument panel. Plural first protruding portions are formed to one end portion of the upper member, and plural first projection portions are formed to another end portion thereof. Similarly, plural second protruding portions are formed to one end portion of the lower member and plural second projection portions are formed to another end portion thereof. The first protruding portions and the second projection portions, and the first projection portions and the second protruding portions, are projection welded together at plural points simultaneously.