Raju surnames:

The surnames of Andhra Kshatriyas were created or formed during the 12th, 13th and 14th Centuries (AD). Prior to that, there were only Gotras (clans) but no surnames. Marriage alliances were being made between persons of different Gotras but not with persons of the same Gotras. At the time of formation of surnames, the villages where persons were residing generally became their surnames.

From the data collected by Sri Buddharaju Varahala Raju, there were 109 surnames for Andhra Kshatriyas. 80 surnames were based on village names; 20 were based on Chivalry names; 1 based on nature and 8 based on other ways. It did not include Kshatriya Raju surnames of Karnataka. For some families the names of their famous and prominent ancestors became their surnames. For example - Bhupathi Raju, Rudra Raju, Tirumala Raju etc.

Gotra (clan), Vamsam means heredity. The Vamsams are of two types:

Janma Vamsam (based on Birth)
Vidya Vamsam (based on Education)

Those Kshatriyas who were educated under certain Sages (Rishis) became their Vamsiyas. They belong to the respective Vidya Vamsams.

Sage Apastamba wrote a book named Apastamba Sutramulu incorporating the traditions of persons wearing the sacred thread (Dvija). All the traditions and ceremonies of Rajus are based on these Gotras. The Rajus of Northern Circars belong to these Four Gotras:

Kaundinya
Vasistha
Dhananjaya
Kasyapa

The Rajus of Vijayanagaram have these additional Gotras:

Atreya
Bharadwaja
Pasupati
Viswamitra

They have marriage alliances with the persons belonging to the other Gotras. As Vasistha was the guru of both Koundinya and Vasistha Gotras, he is considered as the Pithru (Father) of both of them and so there were no marriage alliances between these two Gotras. However, for the last few centuries they discarded this tradition.
Most surnames in Andhra Pradesh come from the family's town of origin so some of the surnames are found in other Andhra communities. Some of the Kshatriya names are actually the same but due to regional pronunciation differences they are spelt differently.

Surnames

Gotra: Dhanunjaya
Descended from: Kota
Sub-clans of Dhanunjaya Gotra

Addala
Adluri
Byrraju
Bhupathiraju
Chekuri
Chintalapati
Cherukuri
Dandu
Dantuluri
Datla
Dasaraju
Dasariraju
Ellamraju
Gadiraju
Gandham
Guduru
Gundraju
Gandraju
Gokaraju
Gottumukkala
Guntimadugu
Guntumadugu
Gunturi
Jampana (Kota Jampana)
Jujjuri
Keertipati
Kondaraju
Kallepalli
Kammela
Kankipati
Kasi
Kasiraju
Kokkerlapati
Konduri
Koppella/Kopperla
Kothapalli
Kovvuri
Kusampudi
Kunaparaju
Mahali/Maka raju
Mudundi
Nandimandalam
Nallaparaju
Nunna
Panduraju
Pakalapati
Patchamatla/Patsamatla
Penmetsa
Penumuchuru
Poranki
Pusampudi
Rachakonda
Rasiraju
Renati
Rudraraju
Sagiraju
Suraparaju
Thotakura
Thotakuri
Tirumalaraju
Uddaraju
Vanapala
Vuddaraju
Vuyyuri/Uyyuri
Vandaraju
Vempalli
Vengamaraju
Vadlamudi
Vegiraju
Vetukuri
Yarakaraju

Gotra: Kaundinya
Descended from: Chalukyas, Vishnukundina
Sub-clans of Kaundinya Gotra

Addepalli
Ainampudi
Barapati
Eemanamanda
Inampudi
Jampana (Chalukya Jampana)
Kalidindi
Kunadharaju
Mudunuri
Saripalli/Saripella
Vemulamanda
Yamanamanda

Gotra: Vasistha
Descended from: Gajapati, Chagi/Sagi, Parichcheda
Sub-clans of Vashista Gotra

Adduri
Alluri
Bezawada
Byrraju
Balaraju
Bontaraju
Buddharaju
Chekuri
Chamarthi
Chiluguri
Chiluvuri
Chodaraju
Dendukuri
Etikuri
Vetikuri
Gadiraju
Ganapathiraju
Godavarthi
Gudipalli
Gurajala/Gurijala
Indukuri
Isikapalli
Kakarlapudi
Kolukuluri
Kosuri
kalluri
Kucharlapati
lavutu
Mahali/Maka raju
Manthena
Mulagapati
Munagapati
Muppala
Nadimipalli/Nadimpalli
Nagaraju
Nandela/Nandilla/Nandyala
Pericherla
Pinnamaraju
Pusapati/Poosapati
Potturi
Raavipati/Raayapati
Sagi
Sakhineti/Sagineti
Sagiraju
Samanthapudi
Siruguri/Siruvuri
Ulasi
Vadapalli
Valivarthi
Vatsavayi.
vatsavai.
Vegesna
Vejandla
Vejarla/Yejerla/Vejella
Velaganati

Gotra: Kasyapa
Descended from: Eastern Chalukya, Chalukya-Cholas, Kalachuri, Kakatiya (Mandapati)
Sub-clans of Kasyapa Gotra

Bellamkonda
Bhimaraju
Chodaraju
Chirutani
Dandu
Eedurapalli/Eedarapalli
Ellenti
Ganapathiraju
Gangaraju
Gobburi
Gorinta
Jillela
jaggaraju
jagapati
Kanumuri
Katari
Kondaraju
kadimella
Kuriseti
Lakhamraju
Machiraju
Madiraju
Mandapati
Manubolu
Matla
Malyapati
Mungara
Nagalpati
Namburu/Namburi
Pathapati
Sayyaparaju
Solanki
Tirumalaraju
Uppalapati/Vuppalapati
Yallamraju

Gotra: Pasupati
Descended from:
Sub-clans of Pasupati Gotra

Alugunuru
Anatharaju
Anjiraju
Ayyaparaju
Balaraju
Bayalraju
Betharaju
Bogaraju
Bontaraju
Buttamraju
Chamarthi
Chejerila
Chennamraju
Chennapay
Chevuru
Chokkaraju
Cibyala
Daasanapu
Dakshiraju
Dalavayi
Dommaraju
Gadi
Gouripuram
Govindaraju
Gunlapalli
Hasthi
Inkula
Jagadabhi
Kalvala
Kaluvala
Kamparaju
Kanchiraju
Katri
Konduru
Kocherla
Lingaraju
Medidaraju
Mudhuluru
Nandyala
Nimmaraju
Padmaraju
Patarapalli
Peddiraju
Penugonda
Raghava
Sangama
Sangaraju
Solaraju
Tipparaju
Ummalaraju
Valavarthi
Vanipanta
Vankeraju
Veligandla
Venkataraju
Yadavalli
Yellaturu
Yerramraju

Gotra: Atreya
Descended from: Vijayanagar (Saluva, Aravidu, Narapathi)
Sub-clans of Atreya Gotra

Agili
Atmakuri
Amaravathi
Bopparaju
Bontaraju(Bonta)
Dalavayi
Dorraju
Gunti
Madapalli
Mallapuraju
Mallaparaju
Juturi
Kadapa
Kadimella
Koneti
Matla
Narapathi
Nandyala
Nandela
Oruganti
Pocharaju
Saluva
Sammeta
Siddiraju
Simhadri
srinadaraju
Timmaraju
Varadaraju

Gotra: Vishwamitra
Descended from: Vijayanagar
Sub-clans of Vishwamitra Gotra

Dalavai
Pocharaju