Kovalev is a surname that can refer to several notable individuals, most prominently Sergey Kovalev, a professional boxer from Russia. Born on April 2, 1983, he is known for his powerful punches and has held multiple world championships in the light heavyweight division. Kovalev has gained recognition for his skill and determination in the ring. In addition to boxing, the name Kovalev may also refer to various places or cultural references in Russia. The surname is relatively common and can be found in different contexts, including literature and history, often associated with individuals who have made significant contributions in their respective fields.