Goddesses:
* Leto: The most famous love interest was Leto, the Titaness with whom he had twins, Artemis and Apollo. Their relationship was a bit complicated, as Hera, Zeus's wife, was jealous of Leto and pursued her relentlessly.
* Daphne: A nymph who rejected Apollo's advances, transforming into a laurel tree to escape him. This story is often told as a cautionary tale about unrequited love.
* Coronis: A mortal woman who bore Asclepius, the god of medicine. Apollo, however, was angered by her infidelity and killed her.
Mortals:
* Hyacinthus: A beautiful young man who was accidentally killed by Apollo while they were playing a game of discus. Apollo mourned him deeply, and the hyacinth flower is said to have sprung from his blood.
* Cyrene: A nymph who, after being pursued by Apollo, became the mother of Aristaeus, a god of beekeeping and agriculture.
* Cassiopeia: A queen who bragged about her beauty, leading to the punishment of her daughter Andromeda by Poseidon. Apollo, in some versions of the myth, is said to have helped Andromeda escape her fate.
It's important to note that these are just some of the many individuals connected to Apollo's romantic life. The specific details of these relationships varied across different myths and accounts.