Seppo () is a masculine given name of Finnish origin. It has two distinct origins; Seppo is a character in the Kalevala, whose name is derived from the Finnish word seppä, meaning smith, and the name is also a diminutive for Sebastian in Finland.
It may refer to:
People Seppo Evwaraye (born 1982), Finnish National Football League offensive guard Seppo Harjanne (born 1948), Finnish WRC co-driver Seppo Kääriäinen (born 1948), Finnish politician Seppo Kolehmainen (1933–2009), Finnish film actor Seppo Lahtela (born 1947), Finnish farmer and politician Seppo Lehto (born 1962), Finnish political activist Seppo Pääkkönen (born 1957), Finnish actor Seppo Parkkila (born 1966), Finnish anatomy professor Seppo Räty (born 1962), Finnish javelin thrower Seppo Reijonen (1944–2026), Finnish ski jumper Seppo Ruohonen (1946–2020), Finnish opera singer Seppo Sairanen (born 1952), Finnish football manager and former goalkeeper Seppo Seluska, Swedish neo-Nazi and subject of the historical photo A Woman Hitting a Neo-Nazi With Her Handbag Seppo Simola (1936–2003), Finnish shotputter Seppo Telenius (born 1954), Finnish writer Seppō Gison, the Japanese surname of Chinese Zen Master Xuefeng Yicun (822–908)
Fictional or mythological characters Seppo Ilmarinen, the smith in the Kalevala of Finnish mythology Seppo Taalasmaa, in the Finnish soap opera Salatut elämät
See also Sepo (disambiguation)