Establishing Accreditation Grants for Law Enforcement Act of 2021 or the EAGLE Act of 2021 This bill requires the Department of Justice to provide grants to eligible local law enforcement agencies for activities related to obtaining qualified accreditation or recertification. Such accreditation or recertification shall be provided by a professional law enforcement organization involved in developing standards for law enforcement at the national, state, regional, or tribal level, such as the Commission on Accreditation for Law Enforcement Agencies.