Denysenko is a Ukrainian surname, derived from the given name Dennis. Notable people with this surname include:
Filaret (Denysenko) (1929–2026), Ukrainian Orthodox primate Iaroslav Denysenko (born 1991), Ukrainian Paralympic swimmer Kateryna Denysenko (born 1994), Ukrainian Paralympic swimmer Larysa Denysenko (born 1973), Ukrainian writer and lawyer Leonid Denysenko (1926–2020), Ukrainian-Australian artist Petro Denysenko (1920–1998), Ukrainian athlete
See also