Please note that some of these acronyms are not the accepted codes used by the BSA when completing applications and forms. The acceptable two letter codes are shown in parentheses to the right of the complete wording if there is a difference. Thanks to Mike Bowman with some additions by Jess Olonoff.

AA      Associate Advisor
ACM     Assistant Cubmaster (CA)
AOL     Arrow of Light
AOM     Award of Merit
ASM     Assistant Scoutmaster (SA)
BOR     Board of Review
BP      Baden-Powell
BTW     By The Way
CC      Committee Chairperson
CM      Cubmaster
COH     Court of Honor
COR     Chartered Organization Representative (CR)
DC      District Chairman also (DC) Den Leader Coach
DD      District Director
DE      District Executive
DL      Den Leader
FWIW    For What It's Worth
<g>     Grin
HTH     Hope This Helps
IBACS   In Brotherhood and Cheerful Service
IMHO    In My Humble Opinion
IMHBCO  In My Humble But Considered Opinion
JLT     Junior Leader Training
MC      Member of Committee
NOAC    National Order of the Arrow Conference
OA      Order of the Arrow
PL/APL  Patrol Leader/Assistant Patrol Leader
PLC     Patrol Leader Council
RTFM    Read The Fine Manual
ROTFL   Rolling On the Floor Laughing
SA      Assistant Scoutmaster
SDE     Senior District Executive
SE      Scout Executive (Sometimes mistakenly referred to as      
          CE for  Council Executive)
SM      Scoutmaster
SPL     Senior Patrol Leader
TC      Tiger Cub Group Coach
TIA     Thanks In Advance
TTFN    Ta Ta For Now
WB      Wood Badge
WDL     Webelos Den Leader (WL)
WA      Webelos Assistant DL
WLOT    Webelos Leader Outdoor Training
YiS     Yours in Scouting