In short, there are heaps of them, and they all have varying degrees of exposure to US stocks.
The simplest types are ASX ETFs seeking to match the performance of indexes like the S&P 500 or the NASDAQ. Examples include iShares S&P 500 ETF $iShares S&P 500 ETF(IVV.AU)$ and BetaShares NASDAQ 100 ETF $BetaShares NASDAQ 100 ETF(NDQ.AU)$ .
Then there are ETFs that have a particular strategy, as well as only investing in US stocks. But you wouldn't know i...