Kazimieras Ragulskis (5 October 1926 in Klovainiai, Pakruojis district) is a Lithuanian scientist and engineer.
He created the scientific school of precise vibromechanics and vibroengineering.
He is Dr.
(1954), Habil.
Dr.
(1963), Professor Emeritus, corresponding member of the Academy of Sciences of the USSR (later of the Russian Academy of Sciences) (1987), member of the Lithuanian Academy of Sciences (1987), Honored Inventor of the USSR (1987).