Yes, it is normal to have lumps on the testicles. Lumps on the testicles are usually painless and can be caused by many different factors. The most common cause of lumps on the testicles are benign (non-cancerous) enlargements of the testicles, or testicular cysts. These lumps are rarely painful and typically do not cause any further health issues.
It is important to note that there are other potential causes for lumps on the testicles, some of which may be more serious. Testicular cancer, for example, can cause lumps on the testicles, though it is relatively rare. Other potential causes of lumps on the testicles include epididymal cysts, hydroceles, spermatoceles, and varicoceles.
If you notice a lump on your testicles, it is important to seek medical attention. A doctor can examine the lump(s) and help determine the cause. In most cases, the lump(s) will be benign, however, it is important to get an accurate diagnosis to ensure no underlying medical issues are present.