• Yearling (biology, zoology), an animal in its second year of life.
• Yearling (horse), a horse between one and two years of age.

in titles or proper names:

• Yearling, an imprint of the publishing company Random House.
• The Yearling, a 1938 novel by Marjorie Kinnan Rawlings.
• The Yearling (film), a 1946 film based on the novel of the same name.