This is a list of notable alumni of the Sigma Chi Fraternity. Many notable Sigma Chi Brothers are awarded the Significant Sig Award by headquarters, indicated by as superscriptS.
Those with careers spanning multiple categories are usually included with their highest or most prestigious office.
|- style="vertical-align:top;" class="vcard" | class="fn" | Lt. general Keller E. RockeyS | style="text-align:center;" class="org" | Getteysbug College | class="note" | | style="text-align:center;" |
Those with careers spanning multiple categories are usually included in the category they are best known for.
S- Has been awarded the Significant Sig Award