Rumbiak

Rumbiak is a surname. Notable people with this surname include:


 * Ardiles Rumbiak (born 1986), Indonesian football player
 * Franklin Rumbiak (born 1989), Indonesian football player
 * Imanuel Rumbiak (born 1998), Indonesian football player
 * Jacob Rumbiak (born 1958), West Papuan academic and political leader
 * John Rumbiak (born 1962), West Papuan human rights and environment activist