Karapet Pashayan (1864, Constantinople – 1915) was an Armenian medical doctor and public activist.
He completed his studies at the Medical College of Constantinople in 1888, then worked as a doctor in Balu and Malatia provinces.
In 1890 he was arrested for the support of Armenian fedayee groups, was sentenced to death but then released after the mediation of the British consul's family.
In 1903-1906 Pashayan lived in Alexandria, Egypt, where he founded an Armenian school and a printing house.
In 1908 after the Young Turk revolution he returned to Constantinople and was elected as a member of the Ottoman parliament.