Onyema

Onyema is a surname. Notable people with the surname include:


 * Allen Onyema (born 1964), Nigerian entrepreneur
 * Elvis Onyema (born 1986), Nigerian football player
 * Oscar N. Onyema (born 1968), Nigerian financier
 * His Royal Majesty Eze V. B. C. Onyema III (born 1927), Nigerian monarch