NAIA National Tournament Appearances
1937-1938 - NAIB National Tournament - Kansas City, Mo.
Jordan College, Mich. 32 - Ottawa 31
1950-1951 - National Association of Intercollegiate Basketball (NAIB)/(NAIA)
Kansas City, Mo. - Tournament Bracket
Hillsdale College, Mich. 57 - Ottawa 72
Baldwin Wallace College, Ohio 68 - Ottawa 67
1992-1993 - National Association of Intercollegiate Basketball
Northwest Nazarene, Nampa, Idaho
Northwestern College (Iowa) 84 - Ottawa 71
1994-1995 - National Association of Intercollegiate Basketball
Northwest Nazarene, Nampa, Idaho
St. Thomas Aquinas College (N.Y.) 70 - Ottawa 64
2001-2002 - National Association of Intercollegiate Basketball
Point Lookout, Mo.
Evergreen State College (Wash.) 71 - Ottawa 64
2007-2008 - National Association of Intercollegiate Basketball
Point Lookout, Mo.
#8 King College, Tenn. 65 - Ottawa 70
Bethel College, Ind. 86 - Ottawa 81
2008-2009 - National Association of Intercollegiate Basketball
Point Lookout, Mo.
#4 Walsh University, Ohio 83 - Ottawa 91
Grace College (Ind.) 75 - Ottawa 67
2019-20 - National Association of Intercollegiate Basketball
Sioux Falls, S.D.
#2 Ottawa 87 - #7 Concordia 84
