Baptism is the immersion or submersion of a person in water. The root of the word for baptize in the Greek is "baptizo", which means to "dip repeatedly, to immerge, submerge, or to cleanse by dipping or submerging, to wash, to make clean with water".
Here are over fifty Bible verses about being baptized and baptism in general.
But when he saw many of the Pharisees and Sadducees come to his baptism, he said unto them, O generation of vipers, who hath warned you to flee from the wrath to come (Matthew 3:7)?
John did baptize in the wilderness, and preach the baptism of repentance for the remission of sins (Mark 1:4).
And were baptized of him in Jordan, confessing their sins (Matthew 3:6).
And all the people that heard him, and the publicans, justified God, being baptized with the baptism of John (Luke 7:29).
These things were done in Bethabara beyond Jordan, where John was baptizing (John 1:28).
After these things came Jesus and his disciples into the land of Judaea; and there he tarried with them, and baptized. And John also was baptizing in Aenon near to Salim, because there was much water there: and they came, and were baptized (John 3:22,23).
I indeed baptize you with water unto repentance: but he that cometh after me is mightier than I, whose shoes I am not worthy to bear: he shall baptize you with the Holy Ghost, and with fire (Matthew 3:11).
I indeed have baptized you with water: but he shall baptize you with the Holy Ghost (Mark 1:8).
And I knew him not: but he that sent me to baptize with water, the same said unto me, Upon whom thou shalt see the Spirit descending, and remaining on him, the same is he which baptizeth with the Holy Ghost (John 1:31).
Then cometh Jesus from Galilee to Jordan unto John, to be baptized of him. But John forbad him, saying, I have need to be baptized of thee, and comest thou to me. And Jesus answering said unto him, Suffer it to be so now: for thus it becometh us to fulfil all righteousness. Then he suffered him. And Jesus, when he was baptized, went up straightway out of the water: and, lo, the heavens were opened unto him, and he saw the Spirit of God descending like a dove, and lighting upon him (Matthew 3:13,14,15,16).
And it came to pass in those days, that Jesus came from Nazareth of Galilee, and was baptized of John in Jordan (Mark 1:9).
Now when all the people were baptized, it came to pass, that Jesus also being baptized, and praying, the heaven was opened (Luke 3:21).
But Jesus answered and said, Ye know not what ye ask. Are ye able to drink of the cup that I shall drink of, and to be baptized with the baptism that I am baptized with? They say unto him, We are able. And he saith unto them, Ye shall drink indeed of my cup, and be baptized with the baptism that I am baptized with: but to sit on my right hand, and on my left, is not mine to give, but it shall be given to them for whom it is prepared of my Father(Matthew 20:22-23).
But I have a baptism to be baptized with; and how am I straitened till it be accomplished (Luke 12:50)!
Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost (Matthew 28:19).
He that believeth and is baptized shall be saved; but he that believeth not shall be damned (Mark 16:16).
Jesus answered, Verily, verily, I say unto thee, Except a man be born of water and of the Spirit, he cannot enter into the kingdom of God. Nicodemus saith unto him, How can a man be born when he is old? can he enter the second time into his mother's womb, and be born? Jesus answered, Verily, verily, I say unto thee, Except a man be born of water and of the Spirit, he cannot enter into the kingdom of God.(John 3:3,4,5).
For John truly baptized with water; but ye shall be baptized with the Holy Ghost not many days hence (Acts 1:5).
Then remembered I the word of the Lord, how that he said, John indeed baptized with water; but ye shall be baptized with the Holy Ghost (Acts 11:16).
Then Peter said unto them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost (Acts 2:38). everyone
Then they that gladly received his word were baptized: and the same day there were added unto them about three thousand souls (Acts 2:41).
But when they believed Philip preaching the things concerning the kingdom of God, and the name of Jesus Christ, they were baptized, both men and women (Acts 8:12).
(For as yet he was fallen upon none of them: only they were baptized in the name of the Lord Jesus. (Acts 8:16 ).
And as they went on their way, they came unto a certain water: and the eunuch said, See, here is water; what doth hinder me to be baptized (Acts 8:36)? And Philip said, If thou believest with all thine heart, thou mayest. And he answered and said, I believe that Jesus Christ is the Son of God. And he commanded the chariot to stand still: and they went down both into the water, both Philip and the eunuch; and he baptized him (Acts 8:36,37,38).
For they heard them speak with tongues, and magnify God. Then answered Peter, Can any man forbid water, that these should not be baptized, which have received the Holy Ghost as well as we? And he commanded them to be baptized in the name of the Lord. Then prayed they him to tarry certain days (Acts 10:46,47,48).
And when she was baptized, and her household, she besought us, saying, If ye have judged me to be faithful to the Lord, come into my house, and abide there. And she constrained us (Acts 16:15).
And he took them the same hour of the night, and washed their stripes; and was baptized, he and all his, straightway (Acts 16:33).
And Crispus, the chief ruler of the synagogue, believed on the Lord with all his house; and many of the Corinthians hearing believed, and were baptized (Acts 18:8).
He said unto them, Have ye received the Holy Ghost since ye believed? And they said unto him, We have not so much as heard whether there be any Holy Ghost. And he said unto them, Unto what then were ye baptized? And they said, Unto John's baptism. Then said Paul, John verily baptized with the baptism of repentance, saying unto the people, that they should believe on him which should come after him, that is, on Christ Jesus (Acts 19:4 ). When they heard this, they were baptized in the name of the Lord Jesus. And when Paul had laid his hands upon them, the Holy Ghost came on them; and they spake with tongues, and prophesied (Acts 19:2,3,4,5,6).
And now why tarriest thou? arise, and be baptized, and wash away thy sins, calling on the name of the Lord (Acts 22:16).
And immediately there fell from his eyes as it had been scales: and he received sight forthwith, and arose, and was baptized (Acts 9:18).
Know ye not, that so many of us as were baptized into Jesus Christ were baptized into his death (Romans 6:3)? Therefore we are buried with him by baptism into death: that like as Christ was raised up from the dead by the glory of the Father, even so we also should walk in newness of life (Romans 6:3;4).
Is Christ divided? was Paul crucified for you? or were ye baptized in the name of Paul (1 Corinthians 1:13)?
I thank God that I baptized none of you, but Crispus and Gaius (1 Corinthians 1:14).
For Christ sent me not to baptize, but to preach the gospel: not with wisdom of words, lest the cross of Christ should be made of none effect (1 Corinthians 1:17).
And were all baptized unto Moses in the cloud and in the sea (1 Corinthians 10:2).
For as many of you as have been baptized into Christ have put on Christ (Galatians 3:27).
One Lord, one faith, one baptism (Ephesians 4:5).
Buried with him in baptism, wherein also ye are risen with him through the faith of the operation of God, who hath raised him from the dead (Colossians 2:12).
Which sometime were disobedient, when once the longsuffering of God waited in the days of Noah, while the ark was a preparing, wherein few, that is, eight souls were saved by water. The like figure where unto even baptism doth also now save us (not the putting away of the filth of the flesh, but the answer of a good conscience toward God,) by the resurrection of Jesus Christ (1 Peter 3:20,21).