List of trivia lists on Wikipedia

Material

General Intellectual

Mathematics

Trivia for mathematicians

• List of matrices
• List of groups

Linguistic

English language trivia

• American and British English differences
• Longest English sentence
• List of strange words in the English language
• List of words commonly mispronounced
• List of tongue-twisters
• Word length
  • Longest word in English
  • one-letter English word
  • two-letter English word
  • three-letter vowel-less English word
• Word endings
  • List of Isms
  • List of Ographies
  • List of ologies
  • List of phobias

Etymological

• List of company name etymologies
• List of computer term etymologies
• List of country name etymologies

Social

Protagonists

Trivia relating to people

• List of most popular family names
• List of people known as The Great
• List of people with six toes
• List of notable eccentrics
• List of artists who died of drug-related causes
• List of people who have acted as their own attorney
• List of literary characters with nine fingers
• List of chemical elements named after people
• List of companies named after people
• List of human anatomical parts named after people
• List of inventions named after people
• List of scientific constants named after people
• List of scientific laws named after people
• List of scientific units named after people

Geographic / Political

• List of interesting or unusual place names
• List of placenames over 20 letters long
• List of chemical elements named after places
• List of iron laws

Arts/Recreation

Trivia relating to popular music

• List of songs whose title does not appear in the lyrics
• List of songs in which the title constitutes the entire lyrics
• List of song titles phrased as questions
• List of self referential songs
• List of answer songs
• List of songs which retell a work of literature
• List of songs in which the title pretty much sums up the entire point of the whole song
• List of songs whose main title appears more than twenty times in the lyrics
• List of songs which have the word Song in title or lyrics
• List of theme songs which mention their show in the lyrics
• List of songs about bipolar disorder
• List of songs containing overt reference to real musicians

Trivia for television

• List of British TV shows remade for the American market
• List of television spin-offs

Humor

• List of lightbulb jokes

Other

• List of famous pairs