Yes. A court can issue a protective order based on several non-violent grounds, like mental injury to a child, stalking and false imprisonment.
1. A court may issue a peace order for Misuse of telephone facilities and equipment (Read the Law: Md. Code, Criminal Law § 3-804);
2. Misuse of electronic communication or interactive computer service (Read the Law: Md. Code, Criminal Law § 3-805);
3. Revenge porn (Read the Law: Md. Code, Criminal Law § 3-809); OR
4. Criminal visual surveillance (Read the Law: Md. Code, Criminal Law §§ 3-901, 3-902, or 3-903).