Rarity may refer to: Concepts Economic rarity, or scarcity, the economic problem of human want exceeding limited resources Species rarity, the position of species organisms being very uncommon or infrequently encountered People John Rarity, an English physicist Fictional characters Rarity, a character in My Little Pony Crystal Princess: The Runaway Rainbow Rarity, a character in My Little Pony: Friendship Is Magic Music Rarity (band), a Canadian rock band See also Rarities (disambiguation) Rare (disambiguation)