Two boys aged 10 and 14 have been arrested on suspicion of spraying 'offensive' words and images on cars.
The alleged offence happened in Pleasley on Thursday evening in the Booth Avenue area.
Police have arrested two boys, aged 10 and 14, in connection with the damage.
"We now want to hear from anyone who has had their vehicle or property sprayed but has not yet reported it to police," a Derbyshire police spokesperson said.
"We would also like to hear from anyone who witnessed suspicious activity in the area last night or may have CCTV footage of graffiti being sprayed."
Call police on 101 quoting the reference number 18000313987 with any information.