Christina "Stina" Charlotta Piper (17 January 1734 – 1800) was a Swedish estate manager and countess.
[1] She was the daughter of Carl Fredrik Piper and Ulrika Christina Mörner af Morlanda.
As a widow, Piper successfully managed the estates belonging to her son and step-sons' inheritance during their minority.
During her years as a widow, she had a relationship with her cousin Carl Ribbing, with whom she had three children between 1762 and 1769 who were raised in foster homes.
[4] As the wife of riksråd Scheffer, Piper was given the title riksrådinna and as such had a role in the Swedish royal court's etiquette and ceremonial activities.