Federico Deflorian (9 June 1921 – 15 June 2003) was an Italian cross-country skier who competed in the 1950s. He finished 19th in the 18 km event at the 1952 Winter Olympics in Oslo.^[1]

Further notable results were:

• 1949: 1st, Italian men's championships of cross-country skiing, 18 km
• 1951: 3rd, Italian men's championships of cross-country skiing, 18 km
• 1952: 1st, Italian men's championships of cross-country skiing, 18 km
• 1953:
  • 1st, Italian men's championships of cross-country skiing, 30 km
  • 1st, Italian men's championships of cross-country skiing, 15 km
• 1954:
  • 1st, Italian men's championships of cross-country skiing, 50 km
  • 2nd, Italian men's championships of cross-country skiing, 30 km
• 1955:
  • 1st, Italian men's championships of cross-country skiing, 50 km
  • 1st, Italian men's championships of cross-country skiing, 30 km
  • 1st, Italian men's championships of cross-country skiing, 15 km
• 1956:
  • 1st, Italian men's championships of cross-country skiing, 50 km
  • 1st, Italian men's championships of cross-country skiing, 15 km
  • 3rd, Italian men's championships of cross-country skiing, 30 km
• 1957:
  • 1st, Italian men's championships of cross-country skiing, 50 km
  • 2nd, Italian men's championships of cross-country skiing, 30 km
  • 2nd, Italian men's championships of cross-country skiing, 15 km
• 1958: 2nd, Italian men's championships of cross-country skiing, 30 km
• 1959:
  • 1st, Italian men's championships of cross-country skiing, 50 km
  • 1st, Italian men's championships of cross-country skiing, 30 km