This document provides methods and materials related to vesicular stomatitis viruses containing a G polypeptide of a maraba virus. For example, vesicular stomatitis viruses containing a G polypeptide of a maraba virus (e.g., pseudotyped viruses), nucleic acid molecules encoding vesicular stomatitis viruses containing a G polypeptide of a maraba virus, methods for making vesicular stomatitis viruses containing a G polypeptide of a maraba virus, and methods for using vesicular stomatitis viruses containing a G polypeptide of a maraba virus to treat cancer or infectious diseases are provided.