The Royiska Sotnia (Company) (Ukrainian: Роїська сотня, romanized: Royis’ka sotnya) was one of the sixteen territorial-administrative and military unit of the Chernihiv Regiment of the Cossack Hetmanate.
The sotnia's center was the village of Royishche, now in the Chernihiv Oblast of north-east Ukraine.
[1] On the territory of the sotnia were 32 settlers, as military unit it numbered from 100 to 707 registered Cossacks.
In 1782 the sotnia was abolished by the order Empress Catherine the Great as territorial-administrative district.
All of the sotnia's territories were included into Chernihiv namestnichestvo.