A billboard with those words was erected this week in St. Louis, Missouri, by members of the Islamic Foundation of Greater St. Louis.
The message also includes the social media designation #ActualMuslims and a passage from the Quran, interpreted by the group as saying "Life is Sacred."
"We just felt that it was important to make this statement and be proactive... and not in response to any particular act but... condemning what these individuals do in the name of Islam," a representative of the Islamic Foundation told CNN affiliate KTVI.
Groups in Chicago and Phoenix have also put up the same billboard.
The billboard campaign was started by the Sound Vision Foundation, which "builds bridges of understanding," between communities and local Muslims, according to its website.
The ad says it was paid for by Sound Vision and St. Louis Muslims.