diff --git a/src/lib/utils/contest.ts b/src/lib/utils/contest.ts
index 94f31d765..50f7867db 100644
--- a/src/lib/utils/contest.ts
+++ b/src/lib/utils/contest.ts
@@ -116,6 +116,7 @@ const agcLikePrefixes = getContestPrefixes(AGC_LIKE);
  * @example
  * {
  *   utpc: 'UTPC' // University of Tokyo Programming Contest
+ *   ttpc: 'TTPC' // Tokyo Institute of Technology Programming Contest
  *   tupc: 'TUPC' // Tohoku University Programming Contest
  * }
  *
@@ -127,6 +128,7 @@ const agcLikePrefixes = getContestPrefixes(AGC_LIKE);
  */
 const ATCODER_UNIVERSITIES: ContestPrefix = {
   utpc: 'UTPC',
+  ttpc: 'TTPC',
   tupc: 'TUPC',
 } as const;
 
diff --git a/src/test/lib/utils/test_cases/contest_name_and_task_index.ts b/src/test/lib/utils/test_cases/contest_name_and_task_index.ts
index bb1145705..6b4b99350 100644
--- a/src/test/lib/utils/test_cases/contest_name_and_task_index.ts
+++ b/src/test/lib/utils/test_cases/contest_name_and_task_index.ts
@@ -251,6 +251,29 @@ const UTPC_TEST_DATA: UniversityContestsTestData = Object.fromEntries(
     ]),
 ) as UniversityContestsTestData;
 
+type TtpcYear = '2015' | '2019' | '2022' | '2023';
+type TtpcTaskPatterns = {
+  [K in TtpcYear]: string[];
+};
+
+const TTPC_TASK_PATTERNS: TtpcTaskPatterns = {
+  '2015': ['A', 'B', 'C', 'N', 'O', 'P'],
+  '2019': ['A', 'B', 'C', 'M', 'N', 'O'],
+  '2022': ['A', 'B', 'C', 'M', 'N', 'O'],
+  '2023': ['A', 'B', 'C', 'N', 'O', 'P'],
+};
+
+const TTPC_YEARS = [2015, 2019, 2022, 2023];
+const TTPC_TEST_DATA: UniversityContestsTestData = Object.fromEntries(
+  TTPC_YEARS.map((year) => [
+    `ttpc${year}`,
+    {
+      contestId: `ttpc${year}`,
+      tasks: TTPC_TASK_PATTERNS[year.toString() as keyof TtpcTaskPatterns],
+    },
+  ]),
+) as UniversityContestsTestData;
+
 type TupcYear = '2022' | '2023';
 type TupcTaskPatterns = {
   [K in TupcYear]: string[];
@@ -290,6 +313,7 @@ const generateUniversityTestCases = (
 
 const ALL_UNIVERSITY_TEST_DATA: UniversityContestsTestData = {
   ...UTPC_TEST_DATA,
+  ...TTPC_TEST_DATA,
   ...TUPC_TEST_DATA,
 };
 
diff --git a/src/test/lib/utils/test_cases/contest_name_labels.ts b/src/test/lib/utils/test_cases/contest_name_labels.ts
index 6cc1025a5..07b8ce1ec 100644
--- a/src/test/lib/utils/test_cases/contest_name_labels.ts
+++ b/src/test/lib/utils/test_cases/contest_name_labels.ts
@@ -263,6 +263,18 @@ const generateUtpcTestCases = (
     return testCase;
   });
 };
+const generateTtpcTestCases = (
+  years: number[],
+): { name: string; value: TestCaseForContestNameLabel }[] => {
+  return years.map((year) => {
+    const testCase = createTestCaseForContestNameLabel(`TTPC ${year}`)({
+      contestId: `ttpc${year}`,
+      expected: `TTPC${year}`,
+    });
+
+    return testCase;
+  });
+};
 const generateTupcTestCases = (
   years: number[],
 ): { name: string; value: TestCaseForContestNameLabel }[] => {
@@ -278,12 +290,14 @@ const generateTupcTestCases = (
 
 // Note:
 // UTPC contests on AtCoder: 2011-2014 and 2020-2023 (not held during 2015-2019)
+// TTPC contests on AtCoder: 2015, 2019, 2022-
 // TUPC contests on AtCoder: 2022-
 //
 // See:
 // https://kenkoooo.com/atcoder/resources/contests.json
 export const universities = [
   ...generateUtpcTestCases([2011, 2012, 2013, 2014, 2020, 2021, 2022, 2023]),
+  ...generateTtpcTestCases([2015, 2019, 2022, 2023]),
   ...generateTupcTestCases([2022, 2023]),
 ];
 
diff --git a/src/test/lib/utils/test_cases/contest_type.ts b/src/test/lib/utils/test_cases/contest_type.ts
index 70051f08a..2095c4516 100644
--- a/src/test/lib/utils/test_cases/contest_type.ts
+++ b/src/test/lib/utils/test_cases/contest_type.ts
@@ -213,6 +213,7 @@ export const agcLike = [
 
 // Note:
 // UTPC contests on AtCoder: 2011-2014 and 2020-2023 (not held during 2015-2019)
+// TTPC contests on AtCoder: 2015, 2019, 2022-
 // TUPC contests on AtCoder: 2022-
 //
 // See:
@@ -226,6 +227,10 @@ const universityContestIds = [
   'utpc2021',
   'utpc2022',
   'utpc2023',
+  'ttpc2015',
+  'ttpc2019',
+  'ttpc2022',
+  'ttpc2023',
   'tupc2022',
   'tupc2023',
 ];