A hand tool rack has an elongated base bracket, multiple clamping elements, two hangers and a lock. The base bracket has a baseboard and a rail bracket. The rail bracket is detachably mounted on the baseboard. The clamping elements are movably mounted on the rail bracket of the base bracket. The hangers are movably mounted on the base bracket and each hanger has two mounting arms and a hanging arm. The mounting arms of the each hanger are clamped on the baseboard. The hanging arm is formed with the mounting arms of the hanger for hanging on a tool cart. The lock is detachably connected to the base bracket to provide a burglarproof effect and has a display clamp and a container clamp. The display clamp has a display panel and a catching bracket. The container clamp has a container panel and a container casing.