Ordax powder

Audax is a Latin adjective meaning "bold, daring" and may refer to

Cycling

 * Audax (cycling), long distance endurance bicycle rides
 * Audax Australia, an organisation that runs long distance randonnee cycling events in Australia and New Zealand
 * Audax UK, British cycling club that oversees long-distance cycling in the United Kingdom

Football

 * Audax Italiano, a Chilean football club based in the city of Santiago
 * Audax Rio de Janeiro Esporte Clube, a Brazilian football club based in the city of São João de Meriti
 * Grêmio Osasco Audax Esporte Clube, a Brazilian football club based in the city of São Paulo