This is a list of Capsicum cultivars belonging to the five major species of cultivated chili peppers (genus Capsicum): C. annuum, C. chinense, C. baccatum, C. frutescens, and C. pubescens. Due to the large and changing number of cultivars, and the variation of cultivar namings in different regions, this list only gives a few examples of the estimated 50,000 pepper varieties that exist.
There are perhaps fifty thousand Capsicum cultivars grown worldwide. The USDA-ARS GRIN seed collection contains 6,200 Capsicum accessions alone, which include 4000 Capsicum annuum accessions. The other Capsicum species in the USDA germplasm repository include: C. chinense, C. baccatum, C. frutescens, C. pubescens, C. cardenasii, C. chacoense, C. flexuosum, C. eximium, C. rhomboideum, C. galapagoense, and C. tovarii.
There are five major species of cultivated Capsicum, C. annuum, C. chinense, C. baccatum, C. frutescens, C. pubescens, and within those species are several "taxonomic varieties". Because of the ability of many of species to cross and generate inter-specific hybrids, albeit with low success, there are also what is referred to as "complexes" within the Capsicum genus of closely related and sexually compatible species. This includes the Capsicum annuum complex, which consists of C. annuum, C. frutescens, and C. chinense.