PF-9 may refer to:

• BRP Diego Silang (PF-9), a frigate of the Philippine Navy
• Kel-Tec PF-9, a 9 mm handgun
• USS Pocatello (PF-9), a Tacoma-class frigate of the United States Navy

• The San Diego Reader
• The San Diego Symphony
• The San Diego Union and Daily Bee
• The San Diego Union–Tribune
• The Sandman Overture
• The Sandman: Overture
• The Sandmen
• The San Dominick
• The Sandon School
• The Sand Pebbles (1966)
• The Sand Pebbles (band)
• The Sandra Feinstein-Gamm Theatre
• The Sandringham Hotel
• The Sands Hotel and Casino
• The Sand Snakes
• The Sands of Ammon
• The Sands of Life
• The Sands of Time
• The Sands of Time (Doctor Who)
• The Sandstorm
• The Sand That Falls
• The Sand Tiger Shark
• The Sandusky Register
• The Sandwalk Adventures
• The Sandwich Man