Henryk Średnicki (17 January 1955, Siemianowice Śląskie, Poland – 10 April 2016, Piotrków Trybunalski, Poland) was a Polish amateur boxer who represented his native country twice at the Summer Olympics, starting in 1976.
He did it in 1978, during the II World Championships in Belgrade in flyweight, after winning four fights.
Srednicki was the Polish champion six times: in paper scales in 1974, 1975 and 1976, in flyweights in 1978 and 1979 and in bantamweight in 1982.
He was a fighter who preferred constant attack, showering his opponent with blows.
After ending his career, he became a coach, he led boxing school in Myszków.