Here is a list of football clubs in League One, their nicknames, official Twitter accounts and the hashtags I can see being commonly used.
If any of the information listed here is incorrect or incomplete please do let me know, I'm @PompeyChicken on Twitter.
AFC BOURNEMOUTH (The Cherries)
@AFCBOURNEMOUTH
#AFCB
BRENTFORD (The Bees)
@BRENTFORDFC
#BRENTFORDFC
BURY (The Shakers)
@BURYOFFICIAL
#BURYFC
CARLISLE UNITED (The Cumbrians or The Blues)
@OFFICIALCUFC
#CUFC
COLCHESTER UNITED (The U's)
@COLU_OFFICIAL
#COLU
COVENTRY CITY (The Sky Blues)
@COVENTRY_CITY
#SKYBLUES
CRAWLEY TOWN (The Red Devils)
@CRAWLEYTOWN
#CRAWLEYTOWN
CREWE ALEXANDRA (The Railwaymen)
@CREWEALEXFC
#CREWEALEX
DONCASTER ROVERS (The Rovers)
@DRFC_OFFICIAL
#DRFC
HARTLEPOOL UNITED (Monkey Hangers or Pools)
@OFFICIAL_HUFC
#POOLS #HUFC [not sure if these hashtags are correct]
LEYTON ORIENT (The O's)
@LEYTONORIENTFC
#LOFC
MILTON KEYNES DONS (The Dons)
@MKDONSFC
#MKDONS [not sure if this hashtag is correct]
NOTTS COUNTY (The Magpies)
@OFFICIAL_NCFC
[couldn't see a commonly used hashtag]
OLDHAM ATHLETIC (The Latics)
@OFFICIALOAFC
#OAFC
PORTSMOUTH (Pompey)
@OFFICIALPOMPEY
#POMPEY
PRESTON NORTH END (The Lilywhites)
@PNEFC
#PNE
SCUNTHORPE UNITED (The Iron)
@SUFCOFFICIAL
#IRON
SHEFFIELD UNITED (The Blades)
@SUFC_TWEETS
#TWITTERBLADES #SUFC
SHREWBURY TOWN (The Shrews or The Blues)
@SHREWSWEB
#SALOP
STEVENAGE (The Boro)
@STEVENAGEFC
#STEVENAGEFC
SWINDON TOWN (The Robins)
@OFFICIAL_STFC
#STFC
TRANMERE ROVERS (The Rovers)
@TRANMEREROVERS
#SWA ['Super White Army']
WALSALL (The Saddlers)
@WFCOFFICIAL
#WALSALLFC
YEOVIL TOWN (The Glovers)
@YTFCOFFICIAL
#YTFC
