Ithaca
- 1151 Ithaka
- Adèle Geras
- Craig Horner
- Glencree (album)
- Homer's Ithaca
- Ithaca (Barry Guy, Marilyn Crispell, and Paul Lytton album)
- Ithaca (Paula Cole album)
- Ithaca (Ulysses episode)
- Ithaca (band)
- Ithaca (community), Wisconsin
- Ithaca (film)
- Ithaca (island)
- Ithaca (poem)
- Ithaca (polis)
- Ithaca (regional unit)
- Ithaca (town), New York
- Ithaca Bus Station
- Ithaca Central Railroad
- Ithaca Chasma
- Ithaca City School District
- Ithaca College
- Ithaca Creek
- Ithaca Creek State School
- Ithaca Division
- Ithaca Gun Company
- Ithaca High School (Ithaca, New York)
- Ithaca High School (Michigan)
- Ithaca InterSystems
- Ithaca Pottery Site
- Ithaca Tompkins International Airport
- Ithaca station (Lehigh Valley Railroad)
- Ithaca, Michigan
- Ithaca, Nebraska
- Ithaca, New York
- Ithaca, Ohio
- Ithaca, Queensland
- Ithaca, Wisconsin
- Ithaka (artist)
- Ithaka (film)
- Ithaka (play)
- Ithaka Harbors
- Ithaka Maria
- List of places in Georgia (U.S. state) (I–R)
- List of technology in the Dune universe
- Project Ithaca
- SS Ithaka
- Shire of Ithaca
- The Human Comedy (novel)
- Town of Ithaca