|Full name||William Michael Heinen Jr.|
|Born||January 17, 1967|
|Height||6 ft 1 in (1.85 m)|
|Weight||215 lb (98 kg; 15.4 st)|
|Residence||Lake Charles, Louisiana|
|College||University of Louisiana at Lafayette|
|Current tour(s)||Nationwide Tour|
|Former tour(s)||PGA Tour|
|Highest ranking||90 (May 14, 1995)|
|Number of wins by tour|
|Best results in major championships|
|Masters Tournament||CUT: 1995|
|PGA Championship||CUT: 1994, 1995|
|U.S. Open||CUT: 1995, 1996|
|The Open Championship||DNP|
Heinen was born in Rayne, Louisiana and raised in Fenton, Louisiana. He attended the University of Louisiana at Lafayette from 1985–1989, and was a two-time All-American member of the golf team. He turned pro in 1989.
Throughout his career, Heinen has split his playing time in relatively equal amounts between the PGA Tour and the Nationwide Tour. In 1994, he won the Shell Houston Open in just his 10th start on the PGA Tour. He lives in Lake Charles, Louisiana with his wife and three children.
PGA Tour wins
|1||May 1, 1994||Shell Houston Open||−16 (67-68-69-68=272)||3 strokes|| Tom Kite, Jeff Maggert,|
PGA Tour playoff record (0-1)
|1||1995||Freeport-McMoRan Classic||Davis Love III||Lost to birdie on second extra hole|
Results in major championships
Note: Heinen never played in The Open Championship.
CUT = missed the half-way cut