Most popular centralized exchanges (coinbase pro, bybit, binance, and so on) allow leverage. There are also decentralized options like demex and hyperliquid.
I would be careful of KYC requirements on centralized exchanges, and on decentralized exchanges I would be extra cautious with how you manage your keys and general cybersecurity. Both have caveats.
Also, be aware of scam exchanges, or exchanges with low merit. There are a lot of them offering leveraged trading, though it can be easy to get caught in verification procedures that are intrusive and violate privacy (if that's important to you), and in worse cases, impossible to pass.
Be careful when choosing an exchange, and when trading. Good luck
