High anxiety is a non-technical term referring to a state of extreme fear or apprehension. It may also mean:

• High Anxiety, a 1977 film by Mel Brooks
• High Anxiety (Therapy? album), 2003
• High Anxiety (Thom Sonny Green album), 2016
• High Anxiety, a 2014 album by Pet Lamb (recorded in 1995)
• "High Anxiety", a song on the A Match and Some Gasoline album by The Suicide Machines
• "High Anxiety", a song from Sugar Ray's album Floored

• "High Anxiety", an episode of 7th Heaven
• "High Anxiety", a Dawson's Creek episode
• "High Anxiety", an episode of A Different World
• "High Anxiety" (Doctors), 2004
• "High Anxiety", an episode of Full House
• "High Anxiety", The Golden Girls episode
• "High Anxiety", an episode of Kate & Allie
• "High Anxiety" (Part 2), an episode of King of the Hill
• "Episode 3: High Anxiety", an episode from Rayman: The Animated Series
• "High Anxiety", an episode from Rescue Heroes (originally named Terror In The Tower, but retitled after the September 11 attack, then got banned from Teletoon shortly after)

• Anxiety (mood)
• Anxiety disorder
• Panic attack
• Fight-or-flight response