Gen. 6: 4 There were giants in the earth in those days; and also after that.
References to giants after the flood.
Gen. 14:5 And in the fourteenth year came Chedorlaomer, and the kings that were with him, and smote the Rephaims in Ashteroth Karnaim, and the Zuzims in Ham, and the Emins in Shaveh Kiriathaim,
Gen.15:20 And the Hittites, and the Perizzites, and the Rephaims,
Numbers 13: 22 And they ascended by the south, and came unto Hebron; where Ahiman, Sheshai, and Talmai, the children of Anak, were. (Now Hebron was built seven years before Zoan in Egypt.)
Numbers 13: 28 Nevertheless the people be strong that dwell in the land, and the cities are walled, and very great: and moreover we saw the children of Anak there.
Numbers 13: 32 And they brought up an evil report of the land which they had searched unto the children of Israel, saying, The land, through which we have gone to search it, is a land that eateth up the inhabitants thereof; and all the people that we saw in it are men of a great stature.
33 And there we saw the giants, the sons of Anak, which come of the giants: and we were in our own sight as grasshoppers, and so we were in their sight.
Deut. 1:28 Whither shall we go up? our brethren have discouraged our heart, saying, The people is greater and taller than we; the cities are great and walled up to heaven; and moreover we have seen the sons of the Anakims there.
Deut. 2: 10 The Emims dwelt therein in times past, a people great, and many, and tall, as the Anakims;
11 Which also were accounted giants, as the Anakims; but the Moabites called them Emims.
Deut. 2: 20 (That also was accounted a land of giants: giants dwelt therein in old time; and the Ammonites call them Zamzummims;
21 A people great, and many, and tall, as the Anakims; but the Lord destroyed them before them; and they succeeded them, and dwelt in their stead:
Deut. 3: 11 For only Og king of Bashan remained of the remnant of giants; behold his bedstead was a bedstead of iron; is it not in Rabbath of the children of Ammon? nine cubits was the length thereof, and four cubits the breadth of it, after the cubit of a man.
Deut. 3: 13 And the rest of Gilead, and all Bashan, being the kingdom of Og, gave I unto the half tribe of Manasseh; all the region of Argob, with all Bashan, which was called the land of giants.
Deut. 9: 2 A people great and tall, the children of the Anakims, whom thou knowest, and of whom thou hast heard say, Who can stand before the children of Anak!
Joshua 11: 21 And at that time came Joshua, and cut off the Anakims from the mountains, from Hebron, from Debir, from Anab, and from all the mountains of Judah, and from all the mountains of Israel: Joshua destroyed them utterly with their cities.
22 There was none of the Anakims left in the land of the children of Israel: only in Gaza, in Gath, and in Ashdod, there remained.
Joshua 12:4 And the coast of Og king of Bashan, which was of the remnant of the giants, that dwelt at Ashtaroth and at Edrei,
Joshua 13:12 All the kingdom of Og in Bashan, which reigned in Ashtaroth and in Edrei, who remained of the remnant of the giants: for these did Moses smite, and cast them out.
Joshua 14: 12 Now therefore give me this mountain, whereof the Lord spake in that day; for thou heardest in that day how the Anakims were there, and that the cities were great and fenced: if so be the Lord will be with me, then I shall be able to drive them out, as the Lord said.
Joshua 14: 15 And the name of Hebron before was Kirjatharba; which Arba was a great man among the Anakims. And the land had rest from war.
Joshua 15: 8 And the border went up by the valley of the son of Hinnom unto the south side of the Jebusite; the same is Jerusalem: and the border went up to the top of the mountain that lieth before the valley of Hinnom westward, which is at the end of the valley of the giants northward:
Joshua 15:13 And unto Caleb the son of Jephunneh he gave a part among the children of Judah, according to the commandment of the Lord to Joshua, even the city of Arba the father of Anak, which city is Hebron.
14 And Caleb drove thence the three sons of Anak, Sheshai, and Ahiman, and Talmai, the children of Anak.
Joshua 17: 15 And Joshua answered them, If thou be a great people, then get thee up to the wood country, and cut down for thyself there in the land of the Perizzites and of the giants, if mount Ephraim be too narrow for thee.
Joshua 18:16 And the border came down to the end of the mountain that lieth before the valley of the son of Hinnom, and which is in the valley of the giants on the north, and descended to the valley of Hinnom, to the side of Jebusi on the south, and descended to Enrogel,
1 Samuel 17: 4 And there went out a champion out of the camp of the Philistines, named Goliath, of Gath, whose height was six cubits and a span.
2 Samuel 5:18 The Philistines also came and spread themselves in the valley of Rephaim.
2 Samuel 5:22 And the Philistines came up yet again, and spread themselves in the valley of Rephaim.
2 Samuel 21:16 And Ishbibenob, which was of the sons of the giant, the weight of whose spear weighed three hundred shekels of brass in weight, he being girded with a new sword, thought to have slain David.
2 Samuel 21: 18 And it came to pass after this, that there was again a battle with the Philistines at Gob: then Sibbechai the Hushathite slew Saph, which was of the sons of the giant.
19 And there was again a battle in Gob with the Philistines, where Elhanan the son of Jaareoregim, a Bethlehemite, slew the brother of Goliath the Gittite, the staff of whose spear was like a weaver's beam.
20 And there was yet a battle in Gath, where was a man of great stature, that had on every hand six fingers, and on every foot six toes, four and twenty in number; and he also was born to the giant.
2 Samuel 21: 22 These four were born to the giant in Gath, and fell by the hand of David, and by the hand of his servants.
1 Chronicles 20: 4 And it came to pass after this, that there arose war at Gezer with the Philistines; at which time Sibbechai the Hushathite slew Sippai, that was of the children of the giant: and they were subdued.
5 And there was war again with the Philistines; and Elhanan the son of Jair slew Lahmi the brother of Goliath the Gittite, whose spear staff was like a weaver's beam.
6 And yet again there was war at Gath, where was a man of great stature, whose fingers and toes were four and twenty, six on each hand, and six on each foot and he also was the son of the giant.
7 But when he defied Israel, Jonathan the son of Shimea David's brother slew him.
8 These were born unto the giant in Gath; and they fell by the hand of David, and by the hand of his servants.
Amos 2:9 Yet destroyed I the Amorite before them, whose height was like the height of the cedars, and he was strong as the oaks; yet I destroyed his fruit from above, and his roots from beneath.
There are many references to giants in scripture, but many only acknowledge or are aware of the story of David and Goliath.