Seč may refer to places:

Czech Republic Seč (Chrudim District), a town in the Pardubice Region Seč Reservoir next to the town Seč (Plzeň-South District), a municipality and village in the Plzeň Region Seč (Ústí nad Orlicí District), a municipality and village in the Pardubice Region Seč, a village and part of Lipová (Prostějov District) in the Olomouc Region Vidlatá Seč, a municipality and village in the Pardubice Region

Slovakia Seč, Prievidza District, a municipality and village in the Trenčín Region Rimavská Seč, a municipality and village in the Banská Bystrica Region

Slovenia Seč, Kočevje, an abandoned settlement in the Municipality of Kočevje Seč, Novo Mesto, an abandoned settlement in the Municipality of Novo Mesto

See also Sec (disambiguation)