Things That Start With O

9 things Things, colors and jobs Checked 9 Oct 2026

Here are 9 things that start with O, each with a one-line description so you can tell what it is. The best-known ones come first, then the full list in A to Z order.

O is a smaller letter for things, with nine entries, and the kitchen is the main theme. Oven, opener and oven mitt all help when cooking or serving food.

Music adds organ and oboe, a woodwind played with a double reed. Oar belongs on the water, used to row a boat. Ottoman is a less common word, a low seat or stool for resting your feet, and it makes a nice vocabulary stretch for older children.

Things starting with O: 9
Best known: organ, oven
Longest name: oven mitt

Best-known things that start with O

The ones most people will recognise, good for school lists, quizzes and games.

organ
oven
opener
ottoman
oar
oboe
ornament
oven mitt

All things that start with O

#	Name	What it is
1	oar	a long pole with a flat blade for rowing a boat
2	oboe	a woodwind instrument played with a double reed
3	opener	a hand tool used for opening sealed containers (bottles or cans)
4	organ	(music) an electronic simulation of a pipe organ
5	ornament	a small decorative object, such as for a tree
6	ottoman	a low seat or a stool to rest the feet of a seated person
7	oven	kitchen appliance used for baking or roasting
8	oven mitt	a padded glove for handling hot dishes
9	oxford	a low shoe laced over the instep

Short things with O

organ
oven
oar
oboe

Questions people ask

How many things start with O?

This list has 9 things starting with O, from well-known ones like organ, oven, opener to rarer kinds.

What things start with O?

Well-known examples are organ, oven, opener, ottoman, oar, oboe, ornament, oven mitt.

Source: Princeton WordNet, a public dictionary database, reviewed by our editors to keep only clear, real members of the list. Meanings are short dictionary glosses.

See every letter on one page: things A to Z