In golf, caddy (or caddie) is the person who carries a player's bag, and gives insightful advice and moral support.

---

In the game, duplicate bridge, the caddy collects score slips after each round and/or moves boards (which contain the playing cards) between tables. He or she also assists the director with the setup before the game and the cleanup afterward.

---

In older computer hardware, the caddy was a plastic sheath that housed a CD-ROM. This sheath was then inserted into the CD-ROM drive.

---

Caddy is an affectionate nickname for a Cadillac automobile.

The word Caddy may have originated from the Malay word 'kati'. Kati is a measure for tea leaves and is printed on boxes used to carry and collect the tea leaves, hence its use in terms reflecting carrying and collecting.

---