Allegrettia is a genus of beetles in the family Carabidae, containing the following species: * Vailati, 2017 * Jeannel, 1928 * Monguzzi, 2011 * Bari & Rossi, 1965 * Monzini, 2013 * Monzini, 2015 * Monguzzi, 2011 * Vailati, 2017 * Comotti, 1990 * Ghidini, 1934