People

• Antonio Olmo (born 1954), Spanish footballer
• Giuseppe Olmo
  Giuseppe Olmo
  Giuseppe Olmo was an Italian road bicycle racer, who once held the world record for an hour's run on a bicycle, with 45.090 km, until it was beaten in 1936. He was born in Celle Ligure....
  
   (1911–1992), Italian road bicycle racer
• Harold Olmo
  Harold Olmo
  Dr. Harold Olmo was a pioneering viticulturalist and professor at the University of California, Davis where he created many new grape varieties known today as Olmo grapes. In the 1950s, he helped to establish California's first quarantine facility on the UC-Davis campus to permit California...
  
   (1909–2006), the pioneering viticulturist
• Olmo Doosje (born 1995), a Dutch master