Yes.

Everyone starts off at everything as a complete beginner. Being a novice in any craft is the only way towards success and knowledge. Even if you have had zero experience in martial arts, this may actually be a plus. You will be free to learn the basic principles of jiu jitsu without making comparisons and feeling the need to unlearn certain approaches suitable for other arts. Nearly all our members have been in the same spot as you, and only persistence and hard work have brought them to the level they have achieved today.