Jelly babies are a type of confectionery that look like little babies in a variety of colours. They are very popular in the United Kingdom. There are currently several companies that make Jelly babies, most predominantly Trebor Bassett (famous for their liquorice allsorts) and also by Rowntree (Nestlé).

Jelly Babies were launched by Bassett's in 1918 as "Peace Babies" to mark the end of World War I. Production was suspended during World War II due to wartime shortages. In 1953 the product was relaunched as "Jelly Babies". In March 1989 Bassett's were taken over by Cadbury Schweppes who had earlier acquired the Trebor brand.

Like many sweets, they contain gelatin and are thus not suitable for vegetarians.

A school experiment (see screaming jelly babies) is to put them in a strong oxidising agent, and see the resulting spectacular reaction.

Jelly babies are a favorite confection of the Fourth Doctor (Tom Baker) on the BBC television series Doctor Who.

The Jelly Babies were a DIY/post punk band that were a part of the Cassette Culture scene during the early 1980s.