Marc S. Jacobus (born 1951) is a professional American bridge player from Las Vegas, Nevada.
North American Bridge Championships (7)
Blue Ribbon Pairs (1) 2000
Nail Life Master Open Pairs (1) 1972
Vanderbilt (2) 1995, 2002
Senior Knockout Teams (1) 2010
Keohane North American Swiss Teams (1) 1986
Roth Open Swiss Teams (1) 2007
North American Bridge Championships
Grand National Teams (2) 1995, 2002
Jacoby Open Swiss Teams (4) 1989, 2006, 2009, 2011
Truscott Senior Swiss Teams (1) 2011
Vanderbilt (1) 2007
Senior Knockout Teams (1) 2011
Keohane North American Swiss Teams (1) 2002
Reisinger (1) 1974
Roth Open Swiss Teams (1) 2009
Spingold (1) 2000