Katakura Muranaga (片倉村長) (1667 – 1691) was a Japanese samurai of the Edo period.
A senior retainer of the Sendai domain, he was first known as Masanaga (政長).
Muranaga was also the fourth Katakura Kojūrō.
His childhood name was Sannosuke (三之助) later changed to Kojūrō.
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