Ritchie Scaife (born Margaret Carol Ritchie Battle in 1947) is a British-born American socialite, philanthropist, and art collector prominent in Pittsburgh high society. She gained significant public attention as the second wife of billionaire Richard Mellon Scaife, heir to the Mellon banking fortune and a major conservative donor and media owner, whom she married in 1991. Their marriage, marked by lavish social events and involvement in cultural institutions, ended in a highly contentious divorce finalized in 2007 after a separation in 2005, involving allegations of infidelity, physical abuse, and financial disputes that played out in tabloid media and court proceedings. Post-divorce, Scaife continued her philanthropic work, focusing on arts and education in Pittsburgh, while maintaining a low public profile amid the lingering effects of the scandal.