Fernow may refer to:

• Fernow (surname)
• Fernow Experimental Forest, a research forest in Tucker County, Virginia, United States
• Mount Fernow, a mountain of Washington, United States

• Henry Dallas Helmcken
• Henry Daly
• Henry Dalzell-Payne
• Henry Dama Phoya
• Henry Dana Ward
• Henry Danckerts
• Henry Danger
• Henry Danton
• Henry Danvers (Baptist)
• Henry Danvers (colonel)
• Henry Darcy (disambiguation)
• Henry Dasson
• Henry d'Assumpcao
• Henry d'Asti
• Henry Daubney, 1st Earl of Bridgewater
• Henry David
• Henry David Abraham
• Henry David Abraham, M.D.
• Henry David Inglis
• Henry David Leonard George Walston
• Henry David Levy
• Henry David Lopez
• Henry David López
• Henry David Martin
• Henry David Thoreau Birthplace