diff --git a/modules/yieldmoBidAdapter.js b/modules/yieldmoBidAdapter.js
index f606194e132..41ed2acce0e 100644
--- a/modules/yieldmoBidAdapter.js
+++ b/modules/yieldmoBidAdapter.js
@@ -18,6 +18,7 @@ import {
 import {BANNER, VIDEO} from '../src/mediaTypes.js';
 import {registerBidder} from '../src/adapters/bidderFactory.js';
 import {Renderer} from '../src/Renderer.js';
+import {coppaDataHandler} from '../src/adapterManager.js';
 
 /**
  * @typedef {import('../src/adapters/bidderFactory.js').BidRequest} BidRequest
@@ -70,6 +71,12 @@ export const spec = {
    * @return ServerRequest Info describing the request to the server.
    */
   buildRequests: function (bidRequests, bidderRequest) {
+    // COPPA: Yieldmo does not serve child-directed inventory. When the request
+    // is flagged COPPA (regs.coppa, populated by core from config.getConfig('coppa')),
+    // discard it at the adapter — send no request so we never bid on it.
+    if (deepAccess(bidderRequest, 'ortb2.regs.coppa')) {
+      return [];
+    }
     const stage = isStage(bidderRequest);
     const bannerUrl = getAdserverUrl(BANNER_PATH, stage);
     const videoUrl = getAdserverUrl(VIDEO_PATH, stage);
@@ -212,6 +219,11 @@ export const spec = {
   },
 
   getUserSyncs: function(syncOptions, serverResponses, gdprConsent = {}, uspConsent = '') {
+    // COPPA: Yieldmo does not serve or track child-directed inventory —
+    // suppress cookie-sync pixels on COPPA traffic, mirroring the bid discard.
+    if (coppaDataHandler.getCoppa()) {
+      return [];
+    }
     const syncs = [];
     const gdprFlag = `&gdpr=${gdprConsent.gdprApplies ? 1 : 0}`;
     const gdprString = `&gdpr_consent=${encodeURIComponent((gdprConsent.consentString || ''))}`;
diff --git a/test/spec/modules/yieldmoBidAdapter_spec.js b/test/spec/modules/yieldmoBidAdapter_spec.js
index 4f4454c17ae..71a6c602192 100644
--- a/test/spec/modules/yieldmoBidAdapter_spec.js
+++ b/test/spec/modules/yieldmoBidAdapter_spec.js
@@ -1,6 +1,7 @@
 import { expect } from 'chai';
 import { spec } from 'modules/yieldmoBidAdapter.js';
 import * as utils from 'src/utils.js';
+import { config } from 'src/config.js';
 
 /* eslint no-console: ["error", { allow: ["log", "warn", "error"] }] */
 // above is used for debugging purposes only
@@ -462,6 +463,17 @@ describe('YieldmoAdapter', function () {
         expect(biddata[0].data.gpc).to.equal('1');
       });
 
+      it('should discard the banner request entirely when coppa is set', function () {
+        const requests = build([mockBannerBid()], mockBidderRequest({ ortb2: { regs: { coppa: 1 } } }));
+        expect(requests).to.deep.equal([]);
+      });
+
+      it('should build a normal banner request when coppa is not set', function () {
+        const requests = build([mockBannerBid()], mockBidderRequest());
+        expect(requests.length).to.equal(1);
+        expect(requests[0].url).to.equal(BANNER_ENDPOINT);
+      });
+
       it('should add eids to the banner bid request', function () {
         const params = {
           userIdAsEids: [{
@@ -758,6 +770,11 @@ describe('YieldmoAdapter', function () {
         expect(payload.regs.ext.gpc).to.equal('1');
       });
 
+      it('should discard the video request entirely when coppa is set', function () {
+        const requests = build([mockVideoBid()], mockBidderRequest({ ortb2: { regs: { coppa: 1 } } }, [mockVideoBid()]));
+        expect(requests).to.deep.equal([]);
+      });
+
       it('should add device info to payload if available', function () {
         let videoBidder = mockBidderRequest({ ortb2: {
           device: {
@@ -946,5 +963,14 @@ describe('YieldmoAdapter', function () {
     it('should register no syncs', function () {
       expect(spec.getUserSyncs({})).to.deep.equal([]);
     });
+    it('should register no syncs on COPPA (child-directed) traffic', function () {
+      config.setConfig({ coppa: true });
+      try {
+        expect(spec.getUserSyncs({ iframeEnabled: true })).to.deep.equal([]);
+        expect(spec.getUserSyncs({ pixelEnabled: true })).to.deep.equal([]);
+      } finally {
+        config.resetConfig();
+      }
+    });
   });
 });