I know five... Auto-translated

Gagarin, Titov, Tereshkova, Zhugdiimeediin Gurravcha (Mongolia), Grechko

I know 5 film directors.

Quentin Tarantino, Sergei Eisenstein, Eldar Ryazanov, Uwe Boll, Steven Spielberg. These are the first names that came to mind.

I know five field flower names.

daisy, buttercup, cornflower, forget-me-not, clover

I know 5 types of coniferous trees.

Graceful fir, creeping cedar, Kamchatka larch, Ayan spruce, Siberian juniper.

I know five leaders of revolutions.

Spartacus (not quite, but almost), Robespierre, Lenin, Che Guevara, Minin and Pozharsky are still here.

I know five love movies.
Yes, something similar has already been done.

P.S. I love you;
Titanic;
The Naked Truth;
Intuition;
The Proposal (with Sandra Bullock)
I know five science fiction authors (writers, that is).

Strugatsky (2 :))
Tsiolkovsky
Belyaev
Lukyanenko
Bulychev

I know 5 people with green nicknames on HW...

Tsiolkovsky? Science fiction writer? )))

I'm telling you for sure. I've read his novels.

A well-rounded person!

Tsiolkovsky is a science fiction writer, I confirm.
People with green nicknames: Wesker, Pandora, Cash, TaKo, and me.
I know five works from the school literature curriculum.

The Master and Margarita, Crime and Punishment, Fathers and Sons, The Old Man and the Sea, uh... I can't think of any more with "and" in the title, so let's go with Dead Souls. I could have listed some works from the Ukrainian literature course, but I decided not to scare people with titles like "Do the Wolves Howl When the Crib Is Full?" :D I know five works by the Strugatsky brothers.

Snail on a slope,
Doomed city
Monday starts on Saturday
Burdened by evil
Beetle in an anthill

I know five pets.

Cat, parrot, hamster, dog, guinea pig
I know five football clubs.

Barcelona, Manchester, Real Madrid, Milan, Inter.

I know five hockey clubs.

Start, Vodnik, Yenisey, Dynamo, Ural трубник

I know 5 jokes...