|Born: January 1, 1955|
|September 25, 1976, for the San Diego Padres|
|Last MLB appearance|
|October 1, 1986, for the Montreal Expos|
|Earned run average||4.28|
Robert Dennis Owchinko (born January 1, 1955) is a former professional baseball pitcher. A left-handed pitcher, he played all or parts of ten seasons in Major League Baseball, between 1976 and 1986, for the San Diego Padres, Cleveland Indians, Oakland Athletics, Pittsburgh Pirates, Cincinnati Reds, and Montreal Expos.
Owchinko attended Eastern Michigan University, from where he was picked in the first round (fifth overall) by Peter Bavasi for the San Diego Padres in the 1976 Major League Baseball draft. During his career, Owchinko worked as both a starter and in relief. In 1978, he won a career-high 10 games with the San Diego Padres, along with posting a career-low earned run average (ERA) of 3.56. In 1979, he appeared in a career-high 42 games. On December 9, 1980, he was included in a six-player trade for Bert Blyleven and Manny Sanguillén.