It is impossible to say exactly which and how many fetishes there are. Because there are millions.
There is no definitive answer to this question as it largely depends on what people are interested in.
Roughly speaking, we humans can "fetish" almost anything. From body parts like feet and hair to objects and materials like denim, leather, latex and even plastic! The possibilities are almost endless. So if you can think of it, it probably exists.
Although there can be some social stigma associated with fetishes, they can also be incredibly fun and enjoyable.
On this website you can find my large online list / encyclopedia of all kinds of fetishes: FETISH LEXICON
Here is a selection:
bound (be)
Fetish of being bound and at the mercy of another person. This is a type of bondage fetish. Can be seen
dick cheese
A person who enjoys oral sex with a man whose penis has a lot of smegma, or "neck cheese" (the cheesy goo that collects
Water
A sexual attraction to water, places with water and activities under water. Fetish for water and having sex in or
Eyes
Eye contact is an effective way to create strong sexual energy between partners. It can be anything from a subtle
Paying for sex / Robbed
Krematistophilia is a fetish for being forced to pay for sex or even being robbed. Crematistophilia, also known as
Ghosts
Spectrophilia is a type of fetish characterized by sexual attraction to ghosts or spirits. It is also known as
Leather
Leather fetishism is a form of sexual interest in which individuals are aroused by the sight, smell or feel of leather objects. This type
Wet and Dirty (WAM)
WAM stands for "Wet and Messy" and is the term usually used. Many WAM fetishists love to get wet and
Steal / Robbery
Kleptolagnia, or theft as an erotic stimulus, is a form of paraphilia in which individuals experience sexual arousal by stealing.
Jealousy
Zelophilia, also known as arousal from jealousy, is a fetishistic paraphilia in which a person experiences sexual arousal and pleasure from
Hands
Hand fetishism is a form of sexual arousal in which the sight, feel and/or smell of hands become sexually stimulating. This may include
Scratches
Can be incorporated into rough / rough sex. Can be used as punishment or reward. Can be combined with other types of activities
Teddy bears
Ursusagalmatophilia, also known as plushophilia, is a type of fetish that involves an attraction to teddy bears. It is not commonly discussed,
Eating people
Vorephilia, also known as vore, is a type of fetish that involves the fantasy or desire to be engulfed by someone
Food (smeared in)
Sploshing is a sexual turn on of being smeared into food. This may involve covering for a person
Strangers
For some, it's the idea of having someone they don't know get turned on there
Zoophilia
Being sexually excited by animals. Many people find it strange and unnatural, but this kind of fetish is more
Breath Play
Being turned on by this is known as hypoxyphilia (typically done alone) or Asphyxophilia when done with a partner.
Jeans
Jeans are a popular form of clothing for many people, and thus there is an opportunity to use them as a part
Trees
See also Dendrophilia. Arbophilia is a fetish involving an attraction to trees, which can be expressed in different ways