Keijo is a masculine Finnish given name. Notable people with the name include:
Keijo Huusko (born 1980), Finnish footballer Keijo Kuusela (1921–1984), Finnish ice hockey player Keijo Liinamaa (1929–1980), Finnish lawyer and politician Keijo Parkkinen (born 1965), Finnish orienteer Keijo Rosberg (born 1948), Finnish racing driver Keijo Säilynoja (born 1970), Finnish ice hockey player Keijo Vanhala (1940–2003), Finnish modern pentathlete Keijo Virtanen (born 1945), Finnish historian