Cro

CRO, Cro, or CrO may refer to:

• Cro (1993–1994), an American animated television series, or its titular character
• Cro, a concept in early Scots law described in the Leges inter Brettos et Scottos
• CRo, station designator prefix used by the Czech public radio broadcaster Ceský Rozhlas
• Cathode-ray oscilloscope, a type of electronic test equipment
• IOC and FIFA country code for (the ISO 3166-1 code is HRV)
• Crown Airways, the ICAO code
• Conversion rate optimisation in internet marketing
• Cro (singer), German rapper

Cro is an American animated television series produced by the Children's Television Workshop and Film Roman. It debuted on September 18, 1993 as part of the Saturday morning line-up for fall 1993 on ABC. Cro lasted 1½ seasons and ran in reruns through summer 1995. The show had an educational theme (this before federal educational/informational mandates took effect in 1996), introducing basic concepts of physics, mechanical engineering, and technology. The premise of using woolly mammoths as a teaching tool for the principles of technology was inspired by David Macaulay's The Way Things Work; Macaulay is credited as writer on the show. The last new episode aired on October 22, 1994. The show was released on video (VHS) in a total of nine volumes.

Ceský rozhlas (CRo) is the public radio broadcaster of the Czech Republic, which has operated since 1923. The service broadcasts throughout the Czech Republic nationally and locally. Its four national services are Radiožurnál, Dvojka, Vltava and Plus. 13 regional stations are also provided. Czech Radio celebrated 90 years of existence in 2013.