The Collaborative International Dictionary of English v.0.48:

Havana \Ha*van"a\ (h[.a]*v[a^]n"[.a]), prop. a.
   Of or pertaining to Havana, the capital of the island of
   Cuba; as, an Havana cigar; -- formerly sometimes written
   Havannah. -- n. An Havana cigar.
   [1913 Webster]

         Young Frank Clavering stole his father's Havannahs, and
         . . . smoked them in the stable.         --Thackeray.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Havana
    n 1: the capital and largest city of Cuba; located in western
         Cuba; one of the oldest cities in the Americas [syn:
         Havana, capital of Cuba, Cuban capital]

Moby Thesaurus II by Grady Ward, 1.0:

31 Moby Thesaurus words for "Havana":
   Burley, Cuban, Havana seed, Latakia, Maryland, Russian, Turkish,
   Virginia, belvedere, box of cigars, bright, canaster, cheroot,
   cigar, cigar box, cigar case, cigar cutter, cigarillo, colorado,
   corona, flue-cured, humidor, leaf, lugs, plug tobacco, rope,
   seconds, shag, stinker, stogie, trichinopoly



U.S. Gazetteer Places (2000):

Havana, AR -- U.S. city in Arkansas
   Population (2000):    392
   Housing Units (2000): 160
   Land area (2000):     0.476908 sq. miles (1.235186 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.476908 sq. miles (1.235186 sq. km)
   FIPS code:            30790
   Located within:       Arkansas (AR), FIPS 05
   Location:             35.111021 N, 93.529064 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Havana, AR
    Havana


U.S. Gazetteer Places (2000):

Havana, FL -- U.S. town in Florida
   Population (2000):    1713
   Housing Units (2000): 762
   Land area (2000):     1.856863 sq. miles (4.809253 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.856863 sq. miles (4.809253 sq. km)
   FIPS code:            29150
   Located within:       Florida (FL), FIPS 12
   Location:             30.624245 N, 84.414955 W
   ZIP Codes (1990):     32333
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Havana, FL
    Havana


U.S. Gazetteer Places (2000):

Havana, ND -- U.S. city in North Dakota
   Population (2000):    94
   Housing Units (2000): 51
   Land area (2000):     0.373056 sq. miles (0.966211 sq. km)
   Water area (2000):    0.001349 sq. miles (0.003495 sq. km)
   Total area (2000):    0.374405 sq. miles (0.969706 sq. km)
   FIPS code:            36140
   Located within:       North Dakota (ND), FIPS 38
   Location:             45.950872 N, 97.618964 W
   ZIP Codes (1990):     58043
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Havana, ND
    Havana


U.S. Gazetteer Places (2000):

Havana, IL -- U.S. city in Illinois
   Population (2000):    3577
   Housing Units (2000): 1587
   Land area (2000):     2.628229 sq. miles (6.807081 sq. km)
   Water area (2000):    0.151418 sq. miles (0.392172 sq. km)
   Total area (2000):    2.779647 sq. miles (7.199253 sq. km)
   FIPS code:            33513
   Located within:       Illinois (IL), FIPS 17
   Location:             40.297067 N, 90.060004 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Havana, IL
    Havana


U.S. Gazetteer Places (2000):

Havana, KS -- U.S. city in Kansas
   Population (2000):    86
   Housing Units (2000): 55
   Land area (2000):     0.134344 sq. miles (0.347949 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.134344 sq. miles (0.347949 sq. km)
   FIPS code:            30700
   Located within:       Kansas (KS), FIPS 20
   Location:             37.091159 N, 95.941876 W
   ZIP Codes (1990):     67347
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Havana, KS
    Havana


U.S. Gazetteer Places (2000):

Havana, TX -- U.S. Census Designated Place in Texas
   Population (2000):    452
   Housing Units (2000): 125
   Land area (2000):     0.819873 sq. miles (2.123461 sq. km)
   Water area (2000):    0.002898 sq. miles (0.007506 sq. km)
   Total area (2000):    0.822771 sq. miles (2.130967 sq. km)
   FIPS code:            32792
   Located within:       Texas (TX), FIPS 48
   Location:             26.250269 N, 98.506181 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Havana, TX
    Havana