Samurai swords were handheld weapons, wielded by the samurai warriors of Japan. John Hart carried a samurai sword on his travels. (TV: Kiss Kiss, Bang Bang, Exit Wounds)
Vastra and Jenny Flint used samurai swords. (TV: A Good Man Goes to War, Deep Breath, etc.)
A samurai sword dating from the 15th century was among the artefacts abandoned by the departing inhabitants of the former Earth colony Jegg-Sau in the 25th century. (AUDIO: The Relics of Jegg-Sau)