Flierl
Flierl is a German language surname. Notable people with the name include:

 Brigitte Flierl (born 1956), German speed skater
 Bruno Flierl (1927–2023), German architect, architecture critic, and writer
 Glenn R. Flierl (born 1948), Researcher, oceanography
 Hans Flierl (1885–1974), German jurist and local politician
 Johann Flierl (1858–1947), German pioneer Lutheran missionary in New Guinea
 Jule Flierl (born 1982), German artist and actress
 Markus Flierl (born 1971), Researcher, computer science
 Thomas Flierl (born 1957), German architectural historian and local politician

References 

German-language surnames