Sergey Arkadievich Andreyevsky (Russian: Сергей Аркадьевич Андреевский, December 29, 1847, – November 9, 1918) was a leading defense attorney of the Russia Empire.

Zasulich was acquitted and the Russian right-wing press started a smear campaign against Andreyevsky and his colleague Zhukovsky; as a result both lost their jobs as prosecutors.

Andreyevsky's keen interest in early 19th-century Russian poetry led to a re-emergence from oblivion of several forgotten poets, notably Yevgeny Baratynsky.

One particular chapter, about his elder sister Masha whom he was passionately in love with and who died of a mysterious 'psychic ailment' while still young, Mirsky described as "one of the finest achievements in Russian prose.

[2] Andreyevsky did a lot to revive interest in early 19th-century Russian poetry, notably Yevgeny Baratynsky who he introduced to a general readership for the first time.