SS304 may refer to:

• The Balao-submarine USS Seahorse (SS-304)
• The grade 304 stainless steel family of SAE steel grades

• Kuhn (crater)
• Kuhn crater
• Kuhndorf
• Kuhne
• Kuhne and Nagel
• Kuhne + Nagel
• Kuhne & Nagel
• Kuhne School of Logistics and Management
• Kuhnhoefen
• Kuhnhofen
• Kuhn Island
• Kuhn, Johannes von
• Kuhn, Loeb
• Kuhn, Loeb, and Co.
• Kuhn, Loeb, and Company
• Kuhn, Loeb, & Co.
• Kuhn, Loeb & Company
• Kuhn Nunatak
• Kuhn's-Big K
• Kuhnsche Schleife
• Kuhn slide
• Kuhn's Quality Foods
• Kuhn Station Site
• Kuhn's Zeitschrift
• Kuhns Zeitschrift