The Wegelius family is originally from the county of Ilmajoki in Ostrobothnia, the family's forefather is considered to be Jakob Eriksson Uppa who was the master of the Seinäjoki -based Uppala house in the early 17th century.
The Wegelius family consists of many famous individual political figures, bankers, engineers, musicians and sportsmen.
The family name Wegelius derives from the name of the Finnish city Seinäjoki. Literally translated to Swedish, Seinäjoki is vägg-älv, or wegg-elf in former Swedish spelling, in Latin form Wegelius.

• Martin Wegelius
  Martin Wegelius
  Martin Wegelius was a Finnish composer and musicologist, primarily remembered as the founder, in 1882, of the Helsinki Music Institute, now known as the Sibelius Academy.Wegelius studied in Leipzig, Vienna and Munich...
  
   (1846 – 1906), Finnish composer and musicologist, primarily remembered as the founder of the Helsinki Music Institute.
• Theodor Wegelius
  Theodor Wegelius
  Theodor Wegelius was a Finnish politician. He was a member of the Senate of Finland....
  
  , a politician
• Charlie Wegelius
  Charlie Wegelius
  Charles "Charlie" Wegelius is an English former professional road racing cyclist.Never a winner of an individual race, Wegelius nevertheless made a career out of being a reliable and strong domestique, most notably in the mountains.-Early career:Wegelius' cycling aspirations suffered an early...
  
  , a professional road cyclist
• Karl Magnus Wegelius
  Karl Magnus Wegelius
  Karl Magnus Wegelius was a Finnish gymnast and sports shooter who competed in the 1908 Summer Olympics, in the 1920 Summer Olympics, and in the 1924 Summer Olympics....
  
  , an Olympic sportsman
• Edward Wegelius, designer of the VL Myrsky and VL Pyry fighter aircraft
• Christopher Wegelius
• Kristina Wegelius, Olympic Sportswoman
• Carl Theodor Alexander Wegelius, Governor of the Bank of Finland 1898-1906
• Annie Wegelius, a Swedish TV presenter
• Katri Wegelius, a Ph.D coordinator in Neuroscience at Helsinki University