Does

[Vendetta]

Does anyone know where I can find the numbers of deaths related to US-involvement in Latin America, Africa, and the Middle East?

[ComradeRed]

Try looking at the White Book of Capitalism (http://www.marxists.org/history/capitalism/white-book-capitalism/index.htm).

[Janus]

Concerning Iraq:Iraq Coalition Casualty count (http://icasualties.org/oif/)

As far as other casualties go, I'm assuming you're talking about deaths related to direct US involvement?
Here's a list of interventions and you can try to find individual death counts for each:
US interventions (http://www.globalpolicy.org/empire/history/interventions.htm)