Hello I was wondering I have hypertrophic cardiomyopathy and hbp and I would like to start a low dose aspirin regimen is that ok to do?

Yes. You can take asa, which can be helpful in primary cariovascular disease risk prevention. The usual first line treatment for hypertrophic cardiomyopathy is beta blockers. Avoid diuretics.
It should be O K. Assuming no other problems like ulcers or bleeding, hocm is not a contraindications to aspirin.