Names of the Giants in Bible

Adonizedec - King of Jerusalem   
Joshua 10:1,3

Agag - King of the Amalakites      
Numbers 24:7
1 Samuel 15:8-9,20,32-33

Ahiman - Son of Anak                 
Numbers 13:22
Joshua 15:14 Judges 1:10
1 Chronicles 9:17

Arba - Father of Anak

Joshua 14:15; 15:13; 21:11

Beelesath  Judah 1:22

Gog and Magog

Revelations 20:8

Gogmagog

Goliath
1 Samuel 17:4,23;21:9-10,19
1 Chronicles 20:5

Hoham - King of Hebron
Joshua 10:3

Horam - King of Gezer
Joshua 10:33

Jabin - King of Hazor
Joshua 11:1
Judges 4:2,17,23,24 
Psalm 83:9

Jobab - King of Madon
Genesis 10:29 36:33-34
Joshua 11:1
1 Chronicles 1:23,44-45; 8:9,18

Lahmi -
1 Chronicles 20:5 (Golitath brother)

Nimrod Gen 10:8-9
1 Chronicles 1:10 Micah 5:6

Og of Bashan
Numbers 21:33 32:33
Deuteronomy 1:4 3:1-4,10-11,13 4:47 29:7 31:4
Joshua 2:10, 9:10, 12:4 , 13:12 13:30-31
1 Kings 4:19
Nehemiah 9:22
Psalm 135:11 136:20

Ogias - Og's father Book of Giants Dead Sea Scrolls

Sheshai
Numbers 13:22
Joshua 15:14
Judges 1:10

Sihon - King of the Amorites
Numbers 21:,23,26-39,34 32:33
Deuteronomy 1:4 2:24,26,30,31-32 3:2,6, 4:46 29:7 31:4 
Joshua 2:10 9:10 12:2,5 13:10,21,27 11:19-21
1 Kings
4:19 Nehemiah
9:22
Psalm 135:11 136:19  
Jeremiah 48:25

Sippai 1 Chronicles 20:4 (Golitath brother)

Talmai
Numbers 13:22
Joshua 15:14
Judges 1:10  
2 Samuel 3:3 13:37
 1 Chronicles 3:2

Ishbibenob
2 Samuel 21:16 (Golitath brother)

Saph
2 Samuel 21:18 (Golitath brother)

Anak 
Numbers 13:22,28,33
Deuteronomy 9:2 
Joshua 15:13-14 21:11
Judges 1:20

Debir King of Eglon

Piram Jarmuth

Unknown Giant
2 Samuel 21:20-22
1 chron 20:6-8

Unknown Giant 
2 Samuel 2:21 1 chron 11:23

Adonizedec - King of Jerusalem
Agag - King of the Amalakites
Ahiman
Amalek
Anak

Arba
Beelesath
Gog and Magog
Gogmagog
Goliath of Gath

Goliath the Gittite

Hoham - King of Hebron
Horam - King of Gezer Ishbibenob

Jabin - King of Hazor
Jobab - King of Madon
Lahmi
Nimrod
Og of Bashan
Ogias - Og's father
Sheshai
Sihon - King of the Amorites
Sippai or Saph
Talmai

Giants Killer of the Bible

Chedorlaomer Gen 14:5-6

Jonathan the son of Shimeah 2 Samuel 21:20-21  1 Chronicles 20:6-7

Unkonwn Hero Deuteronomy 3:3

Caleb Joshua  15:14-16 Judges 1:10-12

Othniel  15:17 Judges 1:13

David 1 Sam 17:51

Benaiah the son of Jehoiada1 Chron 11:22-23

Elhanan the son of Jaareoregim 2 sam 21:19

Abishai the son of Zeruiah 2 sam 21:16-17

Sibbechai the Hushathite  2 sam 21:18 1 Chronicles 20:4

Zophim = "watchers"

Ramathaim-zophim = "double height of the watchers"

Sepherim = Many