This is a list of surnames in which the usage is Russian; and the relationship is from given name as a patronym.
Pavlov Павлов m Russian, BulgarianMeans
"son of Pavel". A famous bearer of this surname was the Russian scientist Ivan Pavlov (1849-1936), known for his discovery of the conditioned reflex.
Romanov Романов m RussianMeans
"son of Roman". This was the surname of the last dynasty of Russian tsars.