Exodus
God decides to kill Moses because his son had not yet been circumcised. 4:24-26
If you hear of a city where another god is worshiped, then destroy everyone in the city (even the cattle) and burn it down. (Watch out Salt Lake!) 13:12-16
If a betrothed virgin is raped in the city and doesn't cry out loud enough, then "the men of the city shall stone her to death." 22:23-24
Proverbs
Beat your children hard and often. Don't worry about hurting them. You may break a few bones and cause some brain damage, but it isn't going to kill them. And even if they do die, they'll be better off. They'll thank you in heaven for beating the hell out of them. 23:13-14
If you mock your father or disobey your mother, the ravens will pick out your eyeballs and the eagles will eat them. 30:17
Isaiah
God will make every man kill his brother and then force him to eat "the flesh of his own arm." 9:19-20
After God destroys Moab, the rivers will be red with blood. He will send lions to eat any survivors. 15:9
Jeremiah
God will make parents eat their own children, "and they shall eat everyone the flesh of his friend." 19:7-9
A child who hits or curses his parents must be executed. 21:15, 17
Leviticus
Those who break the Sabbath are to be executed. 31:14
If a man has sex with his father's wife, kill them both. 20:11
If a man "lies" with his daughter-in-law, then both must be killed. 20:12
If a man has sex with another man, kill them both. 20:13
Anyone who blasphemes or curses shall be stoned to death by the entire community. 24:16