Dammartin may refer to:
People Alberic II of Dammartin (1135-1200), a French count Renaud I, Count of Dammartin (1165-1227), Count of Boulogne Maud de Dammartin, known as Matilda II, Countess of Boulogne (d. 1260) Jean II de Trie, called John I, Count of Dammartin (1225-1302) Simon of Dammartin, Count of Ponthieu (1180-1239), son of Alberic II of Dammartin Joan, of Dammartin, Countess of Ponthieu, queen consort of Castile and León, daughter of Simon François de Montmorency, Count of Dammartin (1530-1579), a French count Jean de Dammartin (d. 1454), architect of Tours Cathedral
Places Dammartin-Marpain, a commune in the department of Jura, France Dammartin-en-Goële, a commune in the department of Seine-et-Marne, France Dammartin-en-Goële, a canton in the department of Seine-et-Marne, France Dammartin-en-Serve, a commune in the department of Yvelines, France Dammartin-les-Templiers, a commune in the department of Doubs, France Dammartin-sur-Meuse, a commune in the department of Haute-Marne, France Dammartin-sur-Tigeaux, a commune in the department of Seine-et-Marne, France Villeneuve-sous-Dammartin, a commune in the department of Seine-et-Marne, France