Tessin may refer to:
People Carl Gustaf Tessin, a Swedish Count and politician Nicodemus Tessin the Elder, a Swedish architect Nicodemus Tessin the Younger, a Swedish Baroque architect, city planner, and administrator
Places Poland and Czech Republic Cieszyn, a border-town in southern Poland
Sweden Nyköpings Gymnasium Tessin, a high school in Nyköping Municipality
Switzerland Canton of Ticino (German: Tessin; French: Tessin; Romansh: Tessin; Italian: Ticino) Ticino (river), running in Switzerland and Italy
Germany Tessin, Germany, a town in the district of Bad Doberan in Mecklenburg-Vorpommern Tessin (Amt), a union of communes in the district of Bad Doberan in Mecklenburg-Vorpommern Tessin bei Boizenburg in the district of Ludwigslust in Mecklenburg-Vorpommern a part of the commune Wittendörp in the district of Ludwigslust in Mecklenburg-Vorpommern a part of the commune Kuhlen-Wendorf in the district of Parchim in Mecklenburg-Vorpommern