1. The Speech Accent Archive
    The speech accent archive uniformly presents a large set of speech samples from a variety of language backgrounds. Native and non-native      speakers of English read the same paragraph and are carefully transcribed. The archive is used by     people who wish to compare and analyze       the accents of different English speakers.
2. Accents of English from Around the World
    Listen to vocabulary in different English accents form around the world. (Faster loading time in Firefox)
3. IDEA - The International Dialects Of English Archive
    IDEA was created in 1997 as a free, online archive of primary source dialect and accent recordings for the performing arts. All recordings are in  English, are of native speakers, and include both English language dialects and English spoken in     the accents of other languages.
4. BBC Learning - Sounds Familiar?
    Listen to examples of regional accents and dialects from across the UK on the British Library's 'Sounds Familiar' website
5. English Dialects of the USA
    Featured on these pages are clips of various forms of regional English drawn from interviews conducted by fieldworkers for the Dictionary of American Regional English . Each clip is accompanied by a transcription.
6. The British Dialect Translator
    An interesting (and fun) website where you can type text in regular English and translate it into various dialects from the British Isles.
7. Evaluating English Accents World Wide -  Sound Clips
    A research study carried out evaluating 8 different accents.
8. Language by Video - Learn Spanish and English
    Short videos of various accents English speakers have around the World.