• A-Kon – Dallas, Texas (USA)
• Epitanime – Paris, France (Site language is French)
• Wizard World Philadelphia – Philadelphia, Pennsylvania (USA) — (Primarily a Comics Convention)

June 6 – 8, 2008

• KnoxCon – Gambier, Ohio (USA)
• OMG!!!con – Paducah, Kentucky (USA)
• OtakuOmaha – Omaha, Nebraska (USA)
• Sci-Fi Summer – Marietta, Georgia (USA) — (Primarily a Science Fiction Convention)

June 13 – 15, 2008

• Anime Mid-Atlantic – Virginia Beach, Virginia (USA)
• El Paso Anime Con – El Paso, Texas (USA)

June 14, 2008

• Assimilation – Kissimmee, Florida (USA) — (Primarily a Science Fiction Convention)

June 20 – 22, 2008

• AnimeNEXT – Secaucus, New Jersey (USA)
• Nicon – Hanover, Germany (Site language is German)
• Supanova Pop Culture Expo – Sydney, New South Wales (Australia)
• Yaoi Jamboree – Glendale, Arizona (USA)

June 21, 2008

• Summer Matsuri – Salem, New Hampshire (USA) — (This is a Mini-Con sponsored by Another Anime Convention)
• TFcon Toronto – Toronto, Ontario (Canada) — (This is a Toy Show/Convention)

June 21 – 22, 2008

• AnimeNeves – Ribeirão das Neves, MG (Brazil) (Site language is Portuguese) Note: I believe the site says that the Con has been postponed.
• JAFAX – Allendale, Michigan (USA)

June 25 – 29, 2008

• Origins Game Fair – Columbus, Ohio (USA) — (Primarily a Game Convention)

June 26 – 29, 2008

• Cleveland Colossal Convention – Beachwood, Ohio (USA)
• Wizard World Chicago – Rosemont, Illinois (USA) — (Primarily a Comics Convention) Note: Wizard World Chicago will present the world premiere of Batman Gotham Knight for an evening presentation on June 28, 2008.

June 27 – 29, 2008

• PersaCon – Huntsville, Alabama (USA)
• Supanova Pop Culture Expo – Perth, Western Australia (Australia)

June 27 – 30, 2008

• Gathering of the Gargoyles – Evanston, Illinois (USA) — (A special Con dedicated to the memory of the Gargoyles animated series)

June 28 – 29, 2008

• Made in Japan – Wiener Neustadt, Austria (Site language is German)

• Northern Anime Festival – Oshawa, Ontario (Canada)

July 3 – 6, 2008

• Anime Expo – Los Angeles, California (USA)
• CONvergence – Bloomington, Minnesota (USA) — (Primarily a Science Fiction Convention)
• Gen Con Australia – Brisbane, Queensland (Australia) — (Primarily a Game Convention)
• PortConMaine – Portland, Maine (USA)

July 5 – 6, 2008

• AniMex – Monterrey, NL (Mexico) (Site language is Spanish)
• Mecra Summer – Taipei, Taiwan (Site language is Chinese)

July 10 – 13, 2008

• Portus 2008 – Dallas, Texas (USA) — (Primarily a Harry Potter Convention)

July 12 – 13, 2008

• Anime TuCon – Tucson, Arizona (USA)

July 17 – 20, 2008

• Anime Friends – São Paulo, Brazil (Site language is Portuguese)

July 18 – 20, 2008

• AniMix – Killeen, Texas (USA) Note: This is their inaugural Con.
• Daigacon – Bowling Green, Kentucky (USA) Note: This Con has been postponed.
• Ikasucon – Fort Wayne, Indiana (USA)
• Metrocon – Tampa, Florida (USA)

July 19, 2008

• DC Anime Cosplay Party 2008 – Silver Spring, Maryland (USA) — (This is a cosplay event)

July 19 – 20, 2008

• WonderFest – Louisville, Kentucky (USA) — (Primarily a Model and Toy Convention)

July 24 -27, 2008

• Comic-Con International: San Diego – San Diego, California (USA) — (Primarily a Comics Convention)

July 25 – 27, 2008

• Ai-Kon – Winnipeg, Manitoba (Canada)
• Animecon – São Paulo, Brazil (Site language is Portuguese)
• MACOnvention – Leonding, Austria (Site language is German)

July 25 – 28, 2008

• Tokonatsu – Milton Bryan, England (UK) Note: This is an outdoor (camping) festival.

July 26 – 27, 2008

• Animecon – Tampereen, Finland (Site language is Finnish)
• AVCon – Adelaide, South Australia (Australia)
• Otakuthon – Montreal, Quebec (Canada) (Site languages are French and English)