Patna: Here is the full list of winners on 40 Lok Sabha Seats in Bihar.
For full Lok Sabha elections 2019 coverage
| Constituency Name | Party Name | Candidate Name | Status | Total Votes |
| Araria | Bharatiya Janata Party | Pradeep Singh | Won | 618434 |
| Arrah | Bharatiya Janata Party | RK Singh | Won | 566480 |
| Aurangabad | Bharatiya Janata Party | Susheel Kumar Singh | Won | 431541 |
| Banka | Janata Dal (United) | Girdhari Yadav | Won | 477788 |
| Begusarai | Bharatiya Janata Party | Giriraj Singh | Won | 692193 |
| Bhagalpur | Janata Dal (United) | Ajay Kumar Mandal | Won | 618254 |
| Buxar | Bharatiya Janata Party | Ashwini Kumar Choubey | Won | 473053 |
| Darbhanga | Bharatiya Janata Party | Gopal Ji Thakur | Won | 586668 |
| Gaya | Janata Dal (United) | Vijay Kumar Manjhi | Won | 467007 |
| Gopalganj | Janata Dal (United) | Dr. Alok Kumar Suman | Won | 568150 |
| Hajipur | Lok Jan Shakti Party | Pashupati Kumar Paras | Won | 541310 |
| Jahanabad | Janata Dal (United) | Chandeshwar Prasad Chandravanshi | Won | 335584 |
| Jamui | Lok Jan Shakti Party | Chirag Kumar Paswan | Won | 529134 |
| Jhanjharpur | Janata Dal (United) | Ram Preet Mandal | Won | 602391 |
| Karakat | Janata Dal (United) | Mahabali Singh | Won | 398408 |
| Katihar | Janata Dal (United) | Dular Chand Goswami | Won | 559423 |
| Khagaria | Lok Jan Shakti Party | Choudhary Mehboob Ali Kaiser | Won | 559423 |
| Kishanganj | Indian National Congress | Mohammad Javed | Won | 367017 |
| Madhepura | Janata Dal (United) | Dinesh Chandra Yadav | Won | 624334 |
| Madhubani | Bharatiya Janata Party | Ashok Kumar Yadav | Won | 595843 |
| Maharajganj | Bharatiya Janata Party | Janardan Singh Sigriwal | Won | 546352 |
| Munger | Janata Dal (United) | Rajiv Ranjan Singh urf Lallan Singh | Won | 528762 |
| Muzaffarpur | Bharatiya Janata Party | Ajay Nishad | Won | 666878 |
| Nalanda | Janata Dal (United) | Kaushalendra Kumar | Won | 540888 |
| Nawada | Lok Jan Shakti Party | Chandan Kumar | Won | 495684 |
| Paschim Champaran | Bharatiya Janata Party | Dr. Sanjay Jaiswal | Won | 603706 |
| Pataliputra | Bharatiya Janata Party | Ram Krapal Yadav | Won | 509557 |
| Patna Sahib | Bharatiya Janata Party | Ravi Shankar Prasad-BJP | Won | 607506 |
| Purnia | Janata Dal (United) | Santosh Kumar Kushwah | Won | 632924 |
| Purvi Champaran | Bharatiya Janata Party | Radha Mohan Singh | Won | 577787 |
| Samastipur | Lok Jan Shakti Party | Ramchandra Paswan | Won | 562443 |
| Saran | Bharatiya Janata Party | Rajiv Pratap Rudy | Won | 499342 |
| Sasaram | Bharatiya Janata Party | Chedi Paswan | Won | 494800 |
| Sheohar | Bharatiya Janata Party | Smt. Rama Devi | Won | 608678 |
| Sitamarhi | Janata Dal (United) | Dr. Varun Kumar | Won | 567745 |
| Siwan | Janata Dal (United) | Kavita Singh | Won | 448473 |
| Supaul | Janata Dal (United) | Dileshwar Kamath | Won | 597377 |
| Ujiarpur | Bharatiya Janata Party | Nityanand Rai (BJP) | Won | 543906 |
| Vaishali | Lok Jan Shakti Party | Veena Devi (LJP) | Won | 568215 |
| Valmiki Nagar | Janata Dal (United) | Baidya Nath Prasad Mahato JD(U) | Won | 602660 |
This Lok Sabha elections, main leaders across various parties in Bihar include, Nitish Kumar (JD-U), Sushil Kumar Modi (BJP), Lalu Prasad and Tejashwi Yadav (RJD), Ram Vilas Paswan (LJP), Madan Mohan Jha (Congress), Upendra Kushwaha (RLSP), Jitan Ram Manjhi (HAM-S).
In the 2014 Lok Sabha elections, the Nitish Kumar-led Janata Dal-United, which was not part of the National Democratic Alliance, had won two seats while its then ally, the RJD had won four seats in the last general elections. The BJP and its allies bagged 31 Lok Sabha seats, while RJD-Congress-NCP had won seven.