Lyneham is generally considered an unsafe suburb compared to other suburbs in Canberra-Queanbeyan. Crime rates are above the Greater Canberra-Queanbeyan average, with Assault being the most commonly reported violent crime, and Theft the most commonly reported property crime. From 2022 to 2023, Violent crime rates have decreased by 12.92%, and Property crime rates have decreased by 18.5%.

As with any area, it is recommended to stay aware of your surroundings and take the usual safety precautions.