Alarcon, Or Alarcon Y Mendoza, Juan Rniz dc, a Spanish dramatist, born in Mexico of a noble Spanish family, died in Spain in 1639. In 1628 he published the first volume of his dramas, on the title page of which he styles himself prolocutor (relator) of the royal council for the Indies. To the eight plays contained in this volume he added twelve more in 1685. His best knowm comedy is La verdad sospechosa, which served as a model for Corneille's Men-teur. Another of his comedies, Las paredes oyen, is still popular on the Spanish stage. A new edition of his plays has been published by Hartzenbusch (Madrid, 1848-52).