Konstantinos Nikolopoulos
Konstantinos Nikolopoulos may refer to:
- Konstantinos Nikolopoulos (composer), Greek composer
- Konstantinos Nikolopoulos (fencer), Greek Olympic fencer, mayor of Athens, 1951–1955
- Konstantinos Nikolopoulos (footballer, born 1993), Greek footballer
- Konstantinos Nikolopoulos (footballer, born 2002), Greek footballer
- Konstantinos Nikolopoulos (water polo), Greek Olympic water polo player
- Konstantinos Nikolopoulos (neuroscientist), 2019 laureate in Blavatnik Awards