Arney is a surname. Notable people with the surname include:
Angela Arney, British writer George Arney (1810–1883), New Zealand lawyer George Arney (journalist), British journalist Giada Arney, American astrobiologist Helen Arney, British physicist Kat Arney, British science communicator Margaret Arney (born 1969), Wisconsin politician David C. Arney, retired United States Army brigadier general and applied mathematician