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:
Excrement
Koprofili, from the Greek kópros meaning excrement, is a sexual fetish that involves sex with or exploration of excrement. That
Strangers
For some, it's the idea of having someone they don't know get turned on there
Hair
Being sexually excited by hair, long hair. Especially on the head. Trichophilia, commonly known as hair fetishism, is a form of
Breath Play
Being turned on by this is known as hypoxyphilia (typically done alone) or Asphyxophilia when done with a partner.
Salt
Saliromania is a form of fetishism in which one experiences sexual arousal from salty or salty-tasting things, especially sweat that accumulates
Odors
Sexual arousal from smells and odors emanating from the body, especially the sexual area. Olfactophilia, or osmolagnia, is a fetish,
Zentai
Sexual arousal on very tight / body-hugging clothing that covers the entire body. A fetish that may involve tight spandex suits that
Feet
This can include activities such as foot worship, licking and kissing the feet, rubbing or massaging the feet and even smelling them. Some
Zoophilia
Being sexually excited by animals. Many people find it strange and unnatural, but this kind of fetish is more
Darkness
It is often also called noctophilia. Involves sexual arousal when exposed or immersed in darkness or at night.
Rain jackets
In the fetish world, raincoats can be made into an effective tool for creating arousal and pleasure. Depending on your level of
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
Jealousy
Zelophilia, also known as arousal from jealousy, is a fetishistic paraphilia in which a person experiences sexual arousal and pleasure from
Contamination
Salirophilia is a sexual fetish in which a person derives pleasure from soiling or altering the appearance of their partner with
Latex/rubber
A latex/rubber fetish is a type of sexual arousal that focuses on the texture and appearance of latex or rubber clothing. People with this
Urine
Sexual act involving urine. Also known as "Watersports", urophilia or "wet games". Urophilia is a sexual fetish in which persons
Clothed / No-nude
Being sexually excited by a partner wearing clothes rather than being naked. People who like this
Trees
Being sexually excited by trees or e.g. bark from trees. So also Arbofili Dendrophilia is a sexual fetish that
Water
A sexual attraction to water, places with water and activities under water. Fetish for water and having sex in or