Hill Grove or Hills Grove may refer to:

• Hills Grove, North Carolina, an unincorporated community in Surry County
• Hill Grove, Ohio, an unincorporated community in Darke County
• Hill Grove, Virginia, an unincorporated community in Pittsylvania County

• Highflyer (horse)
• High Flyers: The Best of Trapeze
• High Fläming Nature Park
• High Forest
• High forest
• High Forest (Forgotten Realms)
• High Freakquency
• High Frequency Content
• High frequency content measure
• High Frequency Direction Finding
• High Frequency Global Communications System
• High-Frequency Gravitational Waves
• High Frequency Gravitational Waves
• High frequency heating
• High-frequency heating
• High Frequency Internet Protocol
• High-frequency jet ventilation
• High-frequency stimulation
• High-frequency ventilation
• High frequency visible light
• High Fructose Corn Syrup
• High fructose Corn Syrup
• High frutose corn syrup
• High functioning autism
• High-Functioning Autism