Konieczny is a Polish surname, it can refer to:
Bartłomiej Konieczny (1981-present), Polish soccer player
Janusz Konieczny (1942-present), Polish politician
Janusz Konieczny (1946-present), Polish general
Jerzy Konieczny (1950-present), Polish politician
Marian Konieczny (1930-present), Polish sculptor
Zdzisław Konieczny (1930-present), Polish historian
Zygmunt Konieczny (1937-present), Polish composer
Robert Konieczny (1969-present), Polish architect
Douglas "Doug" James Konieczny, a Major League Baseball pitcher
Tomasz Konieczny
Hans-Peter Konieczny
Edward J. Konieczny, the 7th Diocesan Bishop of Oklahoma
Aneta Konieczna, née Pastuszka