The best rpg games like Final Fantasy X are Final Fantasy XII, Lost Odyssey and Final Fantasy VII. Below are 9, each with the reason it is here — and, at the end, what filtering to rpg costs you.
Filtering to RPG means you want progression — a character to build or a party to grow — layered on top of whatever else you liked.
What you get: A reason to keep going after the novelty wears off. RPGs are the genre that reliably converts hours into feeling more capable.
What made Final Fantasy X worth playing in the first place is covered on the full list. This page is the rpg part of that answer, and only the rpg part.
The next mainline entry, and the gambit system is unlike anything else.
By Final Fantasy's original creator, and the closest thing to a spiritual sequel.
The other icon, if you have not played it.
A modern turn-based RPG built on this era's strengths.
Turn-based combat with the strongest presentation in the genre.
The best pure turn-based battle system on Switch.
Shorter, tighter, and the best-paced JRPG there is.
PS1 Square at its most ambitious about story.
Modern Square-Enix turn-based combat at its sharpest.
Immediacy. Almost every RPG asks for a slow first few hours, and the systems that make hour forty good are the same ones that make hour one a menu.
The full list is on games like Final Fantasy X — 9 picks, no genre filter.
Final Fantasy XII. The next mainline entry, and the gambit system is unlike anything else.
No. Final Fantasy X released on the PlayStation 2, but a recommendation is only useful if you can play it, so the picks above span platforms and eras. What they share is the genre and the reason.
Whether the stats are the point. In an RPG the build decides what you can do; in an action game with stats the build only decides how fast you do it.
No. The picks below span turn-based, real-time and action RPGs, and each one says which it is.
By hand. Each pick was written for the full Final Fantasy X list first, on what the game actually does, and this page is the part of that list that is rpg — never a genre tag lookup, which is how "best racing games like Super Mario 64" used to be a page on this site.
Or read the rpg guide for where to start in the genre generally.