Ingress may refer to:

• Ingress (signal leakage), the passage of an outside signal into a coaxial cable
• Ingress filtering, a computer network packet filtering technique
• Ingress protection rating, a protection level that electrical appliances provide against intrusion of physical objects
• Ingress router, a source label switch router
• Ingress cancellation, a technology to digitally remove in-channel ingress

• Ingress, egress, and regress, property law terms
• Ingress into India Ordinance, 1914

• Ingress (video game), a 2013 geolocation-based video game
• Ingress (TV series), a 2018 Japanese anime series based on the video game
• Ingress, Kent, England
• Ingress Bell (1837–1914), English architect

• Jean-Auguste-Dominique Ingres (1780–1867), French Neoclassical painter
• Ingres (disambiguation)
• Ingression (disambiguation)
• Egress (disambiguation)